Fix to GrammarSpec to make it compatible with ECL Emma
-add long and double in GrammarTestHelper.java
-add Testtoken in M2PrintTest.java
correct the wrong code
add lexertest
Master merge
visualisation added, AST build in M2AssignmentTest
Master merge No.2 Oo
forgot to remove from master merge
some changes
add encoding utf-8 to run ant build
Merge remote-tracking branch 'origin/parser'