Removing image uploads
more changes
Cloudinary
Removed cache dir
Images for answers working now.
Get rid of blank votes.
Check for user on all pages except poll#show.
Fixed words for answer placeholders.
Redirects issues... and stuff.
When un-authed user votes, redirect back to refering page (usually the poll page).
Make pics bigger
Auto rotate images
Changed bootstrap style.
Fixing some javascript stuff.
Added poll_invites model.