Cleaning up the code, optimalization

Changed concatenation for StringBuilders, queries for PreparedStatements
ChatColor now statically imported
Same as last

sorry in advance
Same as last
Same as last
Same as last
Same as last
Same as last
Same as last
Same as last
Same as last

Thidox, if you dare to roll this back, I kill you personally.

I commit per 3 files as Git is derping around