Added special like widget design for messages
Merge branch 'master' of github.com:WoltLab/com.woltlab.wcf.like
Removed obsolete package id parameter
Added support to delete multiple objects
Fixes interface name
Merge branch 'master' of github.com:WoltLab/com.woltlab.wcf.like
Major icon overhaul
Fixed typo
WCF.Like.js is now always loaded

Prevents a bunch of problems if like system is disabled, but JS is loaded which extends WCF.Like's classes (e.g. WBB.js)
Check PHP files for syntax errors
Added MySQL indices
Added dashboard box for most liked members
Merge branch 'master' of github.com:WoltLab/com.woltlab.wcf.like
Added display of likes/dislikes per user
Fixed use statement order
Added permission checks for like objects

Fixes #17
Fixes #19
Invalidating cache for like details upon like/dislike