fixed evaluation interpreter
added formatting for displaying the questions
Added app-engine  back-end
new manifest setup
removed un-used QL-R project
massive package move commit
Merge branch 'master' of https://github.com/software-engineering-amsterdam/sea-of-ql into bartolkaruza-fb
front-end clean-up
fixed several client side bugs
refactored in new ifelseconditional in java objects
fixed list bug
added if else to grammar
fixed questionnaire ui issues
fixed sonar-found issues that seemed important
Merge branch 'master' of https://github.com/software-engineering-amsterdam/sea-of-ql into bartolkaruza-fb