Merge pull request #17 from jk-5/master

1.7 update
Back to basic border textures

Add underground mode message.
Reorganize and simplify initialization code to prevent chunks being missed
during startup.

There is a bug that causes some loaded regions to flicker or be displayed
incorrectly. Have not tracked it down yet.
add acknowledgement for jk-5
delete unused textures
Fix flickering map bug

This was caused by the mini map and the GUI map trying to load different
regions to the shared MapTexture at the same time.
Fixed by not drawing the mini map while the GUI is open.
fix mcmod.info
reorganize imports, fix single player worlds saving in mp folder