setting custom room to an empty string whenever a custom location is used.
email pre-fill within bldg services request. Made a new property on MITTouchstoneController to provide emailAddress of a signed user.
Making section headers in News to work like the section headers in iOS's Photos app: (1) translucent UIToolbar-type background when sticking to the top of the tableview; (2) white / clear background when not stuck to the top.
Merge pull request #55 from MIT-Mobile/3.5-dev-yev-email-prefill

Pre-fill contact email on Building Services form if user has already saved their username for Touchstone #50
Merge pull request #56 from MIT-Mobile/3.5-dev-yev-news-headers

Fix for "Make MITDisclosureHeaderView's background dynamic #49"
nil checks
Merge pull request #54 from MIT-Mobile/3.5.-dev-yev-bugfix

Fix crash in Building Services #51
[#63] Fixes a crash when displaying external stories with no image
[#63] Fixes a crash when displaying external stories with no image
[#63] Register the no-image external story NIB where missing
Update version to 3.5.2
Update news.markdown search behavior

A search from Category List searches all categories at once and returns all results mixed into a single section.  It does not just search that category.
Merge branch '3.5.2-dev' into 3.5-dev
Merge branch '3.5-dev' into 3.5-dev-yev-people-deletion