* #1202

1. Determine the log is enabled for the DEBUG level before printing message.
2. Make the columns initialize to be static attribute.
3. Topology build optimize: Cache query result to avoid repeating queries.

* #1202

Add elasticsearch batch process setting into application.yml.

* #1202

Fixed check style error.

* #1202

Use XContentFactory to build source to insert into elasticsearch.

Module class rename to ModuleDefine, Module is the JDK9 class. It is conflict with our Module class. (#1168)

* Replaced ObjectUtils for Objects methods

* Refactor the collector configuration initialization.

#1047

Add contains point method instead instance of for decide span listener class type.
Transform minute time bucket just once.

#1032

* 1. Add the performance collection point.
2. Report formatter.

#1032

* Add a new cache implementation by caffeine.

#1032

2. Add column named service_name_keyword into service_name elastic search table by the type of keyword.