initial import
working on validations
Grammar, Scope and Validation rules defined
Merge branch 'master' of https://github.com/nileshrege/El

Conflicts:
	el/src/org/regeinc/lang/El.xtext
	el/src/org/regeinc/lang/generator/InstanceJ.xtend
	el/src/org/regeinc/lang/generator/LineStatementJ.xtend
	el/src/org/regeinc/lang/scoping/ElScopeProvider.java
	el/src/org/regeinc/lang/validation/ElJavaValidator.java

regular merge