IDEA-134080 XSLT Debugger plugin should not ask users to report bugs to Sascha Weinreuter
apply unsafe return statement visitors inspection results
unsafe return statement: typo
First implementation for hg graft command added; Cherry pick for git and graft for mercurial unified

* cherry pick extension point added for appropriate action executors;
* icons and common action moved to dvcs;
* grafting state added to Repository states;
* mercurial state dependant actions refactored;
* annotations added
separate groovyc output parsing from process handler, cleanup
rename GroovyOSProcessHandler to GroovycOutputParser
rename GroovyOSProcessHandler to GroovycOutputParser, fix merge conflict