Implement building openjdk8 with openjfx8
Honor XCLEAN and remove the need to create gradle.properties file
Correct XCLEAN implementation
Remove unnessary patching (pass 'normalised' jdkRuntimeVersion to gradle) and switch to jdk8u-repository
Correct determination of OBF_MILESTONE
Enable unlimited crypto - everything else is nuts
Workaround JRockit-Dependency not met in openjdk
Workaround build check in javafx build script
Merge pull request #18 from matthiasblaesing/openjdk8+openjfx8

Implement building openjdk8 with openjfx8