added where not functionality
extracted function for setting where statements
corrected comment ;)
added whereNot to interface
moved const from AbstractListBuilder to ListBuilderInterface
introduced querybuilder as member variable
corrected annotation for querybuilder
corrected annotation for querybuilder
made setWheres protected
changed function name from setWhere to addWhere
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into feature/whereNot
Merge pull request #213 from sulu-cmf/feature/whereNot

[FEATURE] added where not functionality