New update check system
Added error message to PlaceholderAPI when it can't find a section rather than returning null
Updated addon to the latest spigot build and added support for HEX colors in messages.
* This prevents party and friends to be shaded into the produced jar, which may cause that bungeecord loads the included version of party and friends instead of the correct one from the plugins folder
* Also playerbalancer is now a normal maven dependency