Add own dependency deps/yesod-auth-token in submodule
Add Auth.Token with login/logout buttons
Implant Token after save, change model: Remove ident, add nickname
model: User nickname now optional, Add poll owner
Use Google CDN for jQuery
Fix Result without owner, now mandatory
Simpler error handling when POSTing Result
Add highlight for own Results, Fix class of JS-added Results
Prepare js and html for editable rows
Rewrite Result form more safely (important changes)

Add Helpers in Foundation
Add editable pre-filled form for own Results
Implement Save for editable rows
Fix Result select size (height)
Add redirection after sending Result

This is necessary to show editable fields because it requires to be
logged (server-side page).
Minor: Adapt for new yesod
193/194: Optional inputs are removed if left empty when unfocused
150: Add experimental OpenID login (to test)
193: Add buttons to move up/down and delete columns/answers rows
194: Switch to random hash to identify a poll
Minor: Fix warning (count var shadows)