cleanup of ConstraintSystem
more warnings removed
ignore warnings
warnings removed
Removed generics warnings
removed case warnings
corrected potential null pointer accesses
Removed unnecessary comments
removed empty comments from tests
removed empty comments from test case plugin
removed empty comments from patterns plugin
removed empty comments from oppl plugin
removed empty comments from test case
removed empty comments from templates
removed empty comments from oppl
removed empty comments from lint
updated serialVersionUid