Linux and Character Editor

Releasing this now as a reference point for later releases, notably v1.0, which is coming soon:tm:
It has been months since this update was completed, I kinda forgot what changed, hence the limited changelog.

This is EXPERIMENTAL and BUGGY

Though functional, use of this version is not recommended.

Features:

• Separation of Starbound installs into "profiles"
• Menu for manipulating profiles

New:

• Experimental character appearance editor
• Linux support

Fixes:

• Unknown