Added formatted writes for Map Generation.

Provides a formatted_set_terrain method. Also added helper.cpp to the
cbp file.
Added back the rotate call I that got removed

Derr.
Fix for bulletin boards. Closes #443
Fix for bulletin boards. Closes #443
fix for -1 charge sewkits Closes #355
Merge helper functions for easier static map feature generation.
Merge pull request #458 from veryinky/bulletinfix

Fix for bulletin boards. Closes #443
Merge pull request #460 from veryinky/sewissue355

fix for -1 charge sewkits Closes #355