Add the interface header to termcolors to the engine.
Implement termcolors interface and switch the engine over to this.
Remove the dependency on termcolors from our configure scripts, and remove it from the git repository.
Merge branch merge-termcolors into unstable.  This fixes ticket #6.

The original termcolors library was licensed under a BSD-style license by me (Patrick M. Niedzielski).  I hereby license the code under the GNU General Public License, version 3, or at your option, a later version.  The exact license terms for this version are the same as the rest of the engine and is described in the files include/util/termcolors.* .