Merge pull request #2 from Suyooo/master

Bug Fixes + Layout Changes
Fix ratings and (maybe) fix comments.
Captcha support.
version 2.3
Add name and date to comments.
Add price tags.
version 2.4
Removed unneeded imports in CommentFragment
Merge branch 'master' of https://github.com/cody82/sigfood
New Price Display
+ Price now shows on the meal plan. Right now this "default price" is for
  students, but it will be changeable (see useless Settings icon in actionbar)
+ Prices now show on meal page, highlighting the "default price" (see above)
+ Hid useless action bar in MealActivity
+ Added action bar icons for SigfoodActivity, made date header smaller