* Introduce codegen for client code - Part 1. #37

* Remove redundant null-checks

* Minor fixes in Request class generation + improve code coverage. #37

* Customizable suffix of ResponseProjection classes. #37

* Code coverage for MappingConfig #37

* Fix method names #37 #53

* Add codegen properties to GraphqlCodegenGradleTask #37

* Rename example module to example-server #37

* Change example-server project for gradle plugin #37

* Add GraphQLResult class which holds response data+errors #37

* Fix GraphQLRequestSerializer #37

* Add example-client project for gradle plugin #37

* Add example-client project to CI and README.md #37

* Code coverage for GraphQLResult #37

* Downgrade all dependencies level to 'implementation' #37

* Fix GraphQL query characters escape + fix errors serialization #37

* Fix GraphQL request serialization #37

* Fix toString() generation for request input classes #37

* Remove redundant apache-commons dependency #37

* Use jackson lib to construct GraphQL query json #37

* Improve project structure #43

* Improve project structure #43

* Configs in "graphqlSchemas" should be optional #51

* Add missing file #43

* Fix module name #43

* Gather library and maven/gradle plugins in a single repo #33

* Fix CircleCI config.yml #33

* Fix CircleCI config.yml #33

* Fix CircleCI config.yml #33

* Fix CircleCI config.yml #33

* Fix CircleCI config.yml #33

* Fix CircleCI config.yml #33

* Fix CircleCI config.yml #33

* Align all README.md files #33

* Remove redundant CircleCI config.yml #33

* Remove target folder #33

* Bump version to 1.5.0-SNAPSHOT

* Add Contributing Guidelines #35

* CircleCI config: install library so that plugin build picks it up #33

* CircleCI config: add description to all steps #33

* Use ${version} variable wherever possible instead of hardcoding it #33