Revised and formatted code
Applied refactorings
Changed code to perform early exit when grammar has not changed
Applied minor refactorings to ease readability
Merge pull request #56 from chseidl/master

Test/Bugfix AutoEditStrategy, Merge of StringParser functionality
Replaced usages of Java 7 methods with calls to copied method
isAlphabetic() or used characters numeric value instead of its name
Regenerated CS with current EMFText SDK
Updated copyright header
Revised grammar generation procedure for JDK6.