Updated core data with necessary entities
Updated core data model and apparently some image assets!
Merge branch 'master' of https://github.com/TEDxCT/tedx_ios

# By Daniel Galasko
# Via Daniel Galasko
* 'master' of https://github.com/TEDxCT/tedx_ios:
  fixed build

Conflicts:
	TEDxCT/Models/Speakers/TEDSpeakersDataSource.m