added new xtend libraries into cnf repository
added new libraries into build repository
replaced java interfaces with xtend ones
deleted META-INF directories as MANIFEST.MF is generated during build
updated .gitignore
removed redundant .gitignore
moved xtext generation into detached file
added ltl build file
added ctl build script
ctl build detached into it's own file
fixed dependencies in bnd.bnd
removed unneeded .gitkeep
slight modification of build script
removed .gitkeep
deleted xtend Generate* scripts - replaced with gradle build scripts
removed .antlr-generator-3.2.0.jar and .antlr-generator-3.2.0-patch.jar from .gitignore
added .antrl-generator-3.2.0-patch.jar and removed .antlr-generator-3.2.0.jar
updated build script