Fix post-title on parent if post is answer.
Merge branch 'master' of https://github.com/opfo/app into feature-commentview

* 'master' of https://github.com/opfo/app:
  Fix answer title spec to refer to questoin. closes #30
  Category NSString+OPFEscapeStrings available
  Add favorites view controller and its tab to home screen.
  Some cosmetic changes
  Some cosmetic changes
  Safari is opened when a user's website is clicked
  Change user fetching to is instead of like query.
  Fix minior alignment gliches.
  Implemented the heat mode functionality in the QuestionsView, score>0 is colored green, score==0 is colored yellow and score<0 is colored red
  Add opening of user website in profile list.
  Fix profile view to handle unspecified fields.
Merge branch 'feature-commentview'

* feature-commentview:
  Fix post-title on parent if post is answer.