[AAE-916] Remove boolean parameter from ExecutionEntityManager.deleteExecutionAndRelatedData (#3043)

* AAE-1243 Add version check before starting a process

* AAE-1243 Add manifest file to conformance modules

* AAE-1243 Add manifest file to conformance modules

Fetching only process definitions from latest version

[AAE-909] Revised code style documentation (to Google Java style), removed old checkstyle xmls, updated editorconfig (#3036)

* [Multi instance] The audit log 'ACTIVITY_COMPLETED' for Service-task is not logged

* integration test added

* fixed events

* fixed unit test

* flaky test with feature

* fixed message events

* Send ACTIVITY_CANCELLED_EVENT from execution entity manager

* Fix ACTIVITY_COMPLETED for service tasks

* Update test for manual tasks

* Restore back set of app version

* Reset clock at setup method

Tentative to fix intermittent test failure

* AAE-475 apply variable mapping on event start

* AAE-475 refactoring

* AAE-475 fix failing test

* AAE-475 fix null pointer

* Delete .factorypath

* Delete .factorypath

* AAE-475 process cleanup removed

* AAE-475 not needed code lines removed

* AAE-1113

remove Jenkinsfile and LICENCE from modules
move activiti-build parent at top level
move ide-configuration at top level
move activiti-build sub-modules to top level
fix parent references on modules to point to new top level

* AAE-1113

fix parent references on activiti-api
delete activiti-build

revert plugins versions

add developer section

Aggregate core modules into a single repository