* upgrade curator version
issue: https://github.com/apache/incubator-dolphinscheduler/issues/2020
curator issue: https://github.com/apache/curator/pull/297

* add DefaultEnsembleProvider override

* add some unit test

* add License

* update README about DolphinScheduler

* Update issue templates

* update

* regularize api pom xml
update rpc maven compile to 1.8

* regularize api pom xml

* change commons.lang3.StringUtils to common.utils.StringUtils

* update pom.xml

* update

* correct equals method

* jasper-runtime is needed when api server start

* jasper-runtime jar is needed when api server start

* combine logback config of master/worker/alert/api server to one logback.xml

* remove tomcat runtime jar

* add UT

* add license

* remove jasper-runtime jar, not need anymore

* sovle jar conflict， remove servlet-api 2.5 jar

* remove servlet 2.5
Co-authored-by: NDS <escheduler@outlook.com>

* 1，remove dolphinscheduler-rpc module  2，add dolphinscheduler-remote module 3，add dolphinscheduler-service module 4，refactor LoggerServer module (#1925)

* 1，remove dolphinscheduler-rpc module
2，add dolphinscheduler-remote module
3，add dolphinscheduler-service module
4，refactor LoggerServer module

* ProcessUtils modify

* Refactor architecture (#1926)

* move version to parent pom

* move version properties to parent pom for easy management

* remove freemarker dependency

* delete CombinedApplicationServer

* #1871 correct spelling

* #1873 some updates for TaskQueueZkImpl

* #1875 remove unused properties in pom

* #1878
1. remove tomcat dependency
2. remove combined_logback.xml in api module
3. format pom.xml for not aligning

* #1885 fix api server startup failure
1. add jsp-2.1 dependency
2. remove jasper-runtime dependency

* add stringutils ut (#1921)

* add stringutils ut

* Newfeature for #1675. (#1908)

Continue to finish the rest works, add the cache feature for dependence,mr,python,sub_process,procedure and shell.

* Add modify user name for process definition (#1919)

* class overrides equals() and should therefore also override hashCode()

* #1862 add modify user in process difinition list

* #1862 add pg-1.2.2 ddl.sql

* modify ScriptRunnerTest

* add updateProessDifinition UT

* modify updateProcessDifinition UT

* modify updateProcessDifinition UT

* modify mysql 1.2.2 ddl.sql&dml.sql

* add scope test to mysql in pom

* modify pg-1.2.2 ddl.sql

* refactor module

* updates
Co-authored-by: Nkhadgarmage <khadgar.mage@outlook.com>
Co-authored-by: Nzhukai <boness@qq.com>
Co-authored-by: NYelli <amarantine@my.com>

* dolphinscheduler-common remove spring (#1931)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* SpringApplicationContext class title add license (#1932)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* add license (#1934)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* Refactor architecture (#1936)

* move datasource classes to dao module

* fix send4LetterWord bug

* LoggerServiceTest remove ProcessDao (#1944)

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* dolphinscheduler-common remove spring

* LoggerServiceTest remove ProcessDao

* exclude jasper-compiler in case of runtime conflict (#1938)

* move datasource classes to dao module

* fix send4LetterWord bug

* exclude jasper-compiler in case of runtime conflict

* DataAnaylysisServiceTest and ProcessDefinitionService modify

* remote module add comment

* OSUtilsTest modify

* add finally block to close channel (#1951)

* move datasource classes to dao module

* fix send4LetterWord bug

* exclude jasper-compiler in case of runtime conflict

* add finally block to close channel
Co-authored-by: NTboy <technoboy@yeah.net>
Co-authored-by: Nkhadgarmage <khadgar.mage@outlook.com>
Co-authored-by: Nzhukai <boness@qq.com>
Co-authored-by: NYelli <amarantine@my.com>

* move version to parent pom

* move version properties to parent pom for easy management

* remove freemarker dependency

* delete CombinedApplicationServer

* #1871 correct spelling

* #1873 some updates for TaskQueueZkImpl

* #1875 remove unused properties in pom

* #1878
1. remove tomcat dependency
2. remove combined_logback.xml in api module
3. format pom.xml for not aligning

* #1885 fix api server startup failure
1. add jsp-2.1 dependency
2. remove jasper-runtime dependency

* add stringutils ut (#1921)

* add stringutils ut

* Newfeature for #1675. (#1908)

Continue to finish the rest works, add the cache feature for dependence,mr,python,sub_process,procedure and shell.

* Add modify user name for process definition (#1919)

* class overrides equals() and should therefore also override hashCode()

* #1862 add modify user in process difinition list

* #1862 add pg-1.2.2 ddl.sql

* modify ScriptRunnerTest

* add updateProessDifinition UT

* modify updateProcessDifinition UT

* modify updateProcessDifinition UT

* modify mysql 1.2.2 ddl.sql&dml.sql

* add scope test to mysql in pom

* modify pg-1.2.2 ddl.sql

* refactor module

* updates
Co-authored-by: Nkhadgarmage <khadgar.mage@outlook.com>
Co-authored-by: Nzhukai <boness@qq.com>
Co-authored-by: NYelli <amarantine@my.com>

1，remove dolphinscheduler-rpc module  2，add dolphinscheduler-remote module 3，add dolphinscheduler-service module 4，refactor LoggerServer module (#1925)

* 1，remove dolphinscheduler-rpc module
2，add dolphinscheduler-remote module
3，add dolphinscheduler-service module
4，refactor LoggerServer module

* ProcessUtils modify

CronUtils is a public quartz tools, then the project dolphinscheduler-api can remove dolphinscheduler-server

* update README about DolphinScheduler

* Update issue templates

* update

* regularize api pom xml
update rpc maven compile to 1.8

* regularize api pom xml

* change commons.lang3.StringUtils to common.utils.StringUtils

* update pom.xml

* update

* correct equals method

* jasper-runtime is needed when api server start

* jasper-runtime jar is needed when api server start

* combine logback config of master/worker/alert/api server to one logback.xml

* remove tomcat runtime jar

* add UT

* add license

* remove jasper-runtime jar, not need anymore
Co-authored-by: NDS <escheduler@outlook.com>

* update README about DolphinScheduler

* Update issue templates

* update

* regularize api pom xml
update rpc maven compile to 1.8

* regularize api pom xml

* change commons.lang3.StringUtils to common.utils.StringUtils

* update pom.xml

* update

* correct equals method

* jasper-runtime is needed when api server start

* jasper-runtime jar is needed when api server start
Co-authored-by: NDS <escheduler@outlook.com>

* move version to parent pom

* move version properties to parent pom for easy management

* remove freemarker dependency

* delete CombinedApplicationServer

* #1871 correct spelling

* #1873 some updates for TaskQueueZkImpl

* #1875 remove unused properties in pom

* #1878
1. remove tomcat dependency
2. remove combined_logback.xml in api module
3. format pom.xml for not aligning

* #1885 fix api server startup failure
1. add jsp-2.1 dependency
2. remove jasper-runtime dependency

* move version to parent pom

* move version properties to parent pom for easy management

* remove freemarker dependency

* delete CombinedApplicationServer

* #1871 correct spelling

* #1873 some updates for TaskQueueZkImpl

* #1875 remove unused properties in pom

* #1878
1. remove tomcat dependency
2. remove combined_logback.xml in api module
3. format pom.xml for not aligning

* Remove server module on api module

1. Remove server module and add dao module.
2. Move quartz in server module to dao module.
3. Update config and class.


to resolve conflicts，I deleted CombinedApplicationServer.java
Co-authored-by: Ndailidong <dailidong66@gmail.com>