fix pp generation
migrating to maven build
fix lifting escape backslash, and generate sdf transformation when having escape inside templates
ignoring classes
stop tracking the include folder
untracking generated files
generated sdf3 productions fixing escaped characters
generating signatures in src-gen/lib-gen
changing the path of the generated signatures library
Merge branch 'sdf3-merge' into symbolsorts

Conflicts:
	org.strategoxt.imp.editors.template/build.main.xml