fix(engine): icident handling with retries cfg

- make sure incident is created even if custom retry time cycle is used.

fixes to #CAM-1194
fix(cockpit): variable scope with TransitionInst

- set correct variable scope for variables in Transition Instance

related to #CAM-1196
fix(cycle/imgDialog): Center image dialog

- if the dialog shows the process diagram the dialog will be centered

related to CAM-1195
Merge branch 'master' of github.com:camunda/camunda-bpm-platform
fix(typo): Fix typo in DurationHelper
 Prepare release: set version to 7.0.0-Final
 Next development version: 7.1.0-SNAPSHOT
fix(jboss): add version to module
Merge branch 'master' of github.com:camunda/camunda-bpm-platform
 Prepare release: set version to 7.0.0-Final
 Next development version: 7.1.0-SNAPSHOT
chore(Transfomer): Merge Transformer into webapp

related to CAM-1219
Merge branch 'master' of github.com:camunda/camunda-bpm-platform
chore(upgrade-sql): remove no longer required create index statement
feat(engine-rest): add retrieval and adding of identity links

related to CAM-1201
Merge branch 'master' of github.com:camunda/camunda-bpm-platform
fix(engine): businesskey is missing in history of called process

- rewrote code so businesskey is passed in before startprocess history event is fired
- improve call activity testcase to include history tests

related to CAM-1229
fix(engine): missing test for businesskey is missing in history of called process

related to CAM-1229
impr(engine): subprocess instance business key

- re-add
  org.camunda.bpm.engine.impl.pvm.delegate.ActivityExecution.createSubProcessInstance(PvmProcessDefinition)
- Testcase: make sure history assertions are only executed if history
  level > NONE

related to #CAM-1229