Complete project refactoring, update the whole structure to be compliant with an eclipse distribution

Creation of a new features
Integration of eclipse contriubtions for creating a new sarl project and
a new sarl file
Merge branch 'master' of https://github.com/sarl/sarl
Conflicts:
	lang/plugins/io.sarl.lang.core/META-INF/MANIFEST.MF
	lang/tests/io.sarl.lang.tests/xtend-
gen/io/sarl/lang/tests/bugs/Bug92.java
	lang/tests/io.sarl.lang.tests/xtend-
gen/io/sarl/lang/tests/parsing/BehaviorParsingTest.java
	pom.xml