Included basic POC implementation of AST parser
Merge branch 'master' into improvedParse
Added dependency to the gradle plugin, this makes easier and more accurate the parsing
Fixed bug on marker removal
Fixed bug on marker removal

Conflicts:
	org.mule.tooling.incubator.gradle/src/org/mule/tooling/incubator/gradle/jobs/SynchronizeProjectGradleBuildJob.java
fixed cherry-pick merge issue
added AST parsing to content descriptor to improve mule-enabled gradle build scripts
Deleted unnecessary script parsing functionality
Improved model of supported plugins
Improved further file parsing
Merged branch with ast parsing