removing ImageButton from question views, question string itself will be clickable
adding method to base question view adapter to make question text clickable on item contained in dictionnary and applying it to multiple_choice/slider/star_rating
Merge branch 'develop' into feature/glossaryInQuestions
making clickable substring that match glossary item work + change of design
Merge pull request #177 from daydreaming-experiment/feature/glossaryInQuestions

Feature/glossary in questions
Merge pull request #176 from daydreaming-experiment/feature/AboutDesgin

redesign of the about activity getting closer to @gislain's proposal
Start implementing Position, set todos
Start moving to new deep positions
Finish validation for new deep position
Implement ordering of afters

In the process, make the distinction between a
QuestionPositionDescription's name and the name of the question it
references.
Factorize some checks, and check for description name unicity
Set bonus flag on pages and pageGroups
Start propagating bonus stuff to PageActivity
Implement usage of bonus positions in PageActivity
Switch to dev grammar-v3 for testing
Add todo (issue #178)
Change defaults for Position
Fix NullPointerException
Fix Location de-serialization
Adapt dialog text if skipping bonus means finishing