Merge pull request #87 from lexware/master

More localizations
Merge pull request #89 from lexware/master

Removed possible unnecessary line
Fixed spelling mistake.
Merge pull request #90 from lexware/patch-1

Fixed spelling mistake.
Update LogManager.java
Rewriting the packs tab
Merge branch 'master' of github.com:ATLauncher/ATLauncher
Still need to figure out an asynchronous way of loading packs >.>
PacksTab#ScrollBar is now a local variable
Addeed search by description to packs tab
Fixed logic for search by description
Added public/private tags
Optimized part of authentication for minecraft
Removed old Test class.