Update xctool args to clean+build+test

Something in build #184 broke the travis CI with 'simulator
failed to start errors. Likely the Localizable.strings update.
Updating the xctool flags and forcing a clean/build/test cycle
seemed to fix the issue.
Merge pull request #101 from votinginfoproject/feature/fix-travis-build

Update xctool args to clean+build+test
Caps case for contest details candidate name/party
Update contest details properties font color/weight

Switched to primaryTextColor and bold primaryTextColor
from secondaryTextColor. User testing showed that
secondaryTextColor looked too much like a hyperlink.
Update ballot details styling to match contest details
Set userInteraction = NO on ballot details property cells
Fix #97: Update partyPicker button styling
Merge branch 'feature/caps-strings' into develop
Make Ballot Page cell text slightly smaller
Disable VIPEmptyCell user interaction
Part 1 Long Text styling
Update constraints to allow multiline contest details header
Update constraints to allow multiline candidate details header
Resize candidate image on contest details view
Reduce contest properties font size by 1
Slightly increase ballot view table cell font size
Caps case name on candidate details view
Allow two-line wrap for ballot view election name