#549 - A user is able to enter a question ID with uppercase letters
#637 - A user can add a new question while inside the library
changing QuestionApp to handle surveys with zero questions
more progress towards QuestionApp working on survey with 0 questions
Moved single-question conditional display details into CSS
fixing when css specificity is too low
#880 - conditionally hide formbuilder-only actions in question editor
#880 - removed 'Add from Question Library' from row selector
Merge pull request #260 from kobotoolbox/formbuilder

#549 - A user is able to enter a question ID with uppercase letters
Merge pull request #262 from kobotoolbox/question-library

Question library
merging master into branch