Merge branch 'release/1.0.2' into develop

* release/1.0.2:
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release frege-maven-plugin-1.0.2
Minor updates

* Updated frege compiler
* Attach frege compiler as additional artifact for easy use
* Default output directory for frege is now generated sources
Add output directory as a source directory
Added bin for compiler
[maven-release-plugin] prepare release frege-maven-plugin-1.0.3
[maven-release-plugin] prepare for next development iteration
Merge branch 'release/1.0.3'

* release/1.0.3:
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release frege-maven-plugin-1.0.3
  Added bin for compiler
  Add output directory as a source directory
  Minor updates