افزونه 2 UserVoice v2.2 Beta 2

Xenforo 2.2 will use same column names as this addon have. It's important to update addon BEFORE run Xenforo 2.2 update. Else you get conflicts on update board, and then break board on update addon.

Changelog:

• rename all own columns for avoid conflicts
• last like/dislike toggle off update total rate of idea correctly
• basic support of Xenforo 2.2 (tested on Beta 3 version). had check all functions, but if i miss something, let me know