wrote cucumber features for profile privacy settings
planned out initial tests for editing profile privacy; added  Preview button to user edit view
added untracked files meant for previous commit
moved Preview button out of edit form and changed to link
implemented initial public/private setting for user email
tests pass but still need to refactor step for displaying email
refactored step for profile_privacy
lunch break commit, tests RED
cucumber feature for profile privacy GREEN, changed link in navbar for user accounts page
resolved cucumber and rspec test for profile_privacy feature
Refactor preview into show erb

Change corresponding cucumber spec
Fix cosmetic issues with email display
Merge pull request #128 from mtc2013/profile_privacy

Profile privacy
merged with upstream