Updated agenda to have smaller cells and to also have floating section header
updated the event info screen
Merge branch 'master' of https://github.com/TEDxCT/tedx_ios

# By Daniel Galasko
# Via Daniel Galasko
* 'master' of https://github.com/TEDxCT/tedx_ios:
  the TEDSpeaker now has a Bool rather than an NSNumber and the fetch uses this value in the speakers list
  treat warnings as errors
  messing about