chore: update camunda-engine dependency to 7.2.0-SNAPSHOT
chore: update Mybatis dependency to 3.2.7 and camunda to 7.2.0-SNAPSHOT
feat: first try for OSGiProcessApplication

-create OSGiProcessApplication and -Reference classes to adapt
ProcessApplication for OSGi
-new EL resolver for local bundle resolving
-add test classes
-change OSGi export in pom.xml to export application.impl, too
feat(paDeployment): try out process application deployment in OSGi
test/refactoring: smalles refactoring and create empty test classes
chore(scripting): correct changed packages in imports
test,refactor: add/fix tests, refactor application/* classes

-finish tests for OSGiProcessApplication, BlueprintBundleLocalELResolver
and ProcessApplicationDeployer
-fix ScriptingEngines/ELResolver tests because imports changed
-update Pax Exam to 3.5
fix(test): change sleeps slightly
test(container): add tests and smaller refactorings
fix(features.xml): update versions
Merge branch 'master' into platform-api-hack

Conflicts:
	camunda-bpm-osgi/pom.xml
	camunda-bpm-osgi/src/main/java/org/camunda/bpm/extension/osgi/blueprint/ProcessEngineFactoryWithELResolver.java
	camunda-bpm-osgi/src/test/java/org/camunda/bpm/extension/osgi/OSGiTestCase.java
	camunda-bpm-osgi/src/test/java/org/camunda/bpm/extension/osgi/blueprint/ProcessEngineFactoryWithELResolverTest.java
	pom.xml
fix: fix last errors because of merge
test: fix BlueprintIntegrationTest by updating versions
docs: add description for ProcessApplication
Merge branch 'platform-api-hack' of https://github.com/camunda/camunda-bpm-platform-osgi into platform-api-hack
improve(features.xml): split dependencies

split the separate dependencies for the different camunda sub-projects
into more features to manage dependencies easier
fix(tests): move test out of impl package and change wait state

-move BlueprintBundleLocalELResolverIntegrationTest out of impl package
so Pax Exam finds the class
-change the Thread.sleep() in tests to be able to finish faster
fix(pom): give surefire more memory because of OOM-error
fix(features.xml): add camunda-spin as optional
fix: enable scanning for non-pa-local process definitions