Fix replacing top slabs giving wrong/invalid data values
Probably a fix for the ctrl problem
Some changes to handling command blocks while cloning
Some more fixes for keys
Another fix for ctrl
Stuff

Fixed preset startup. Laid the groundworks for wireframes, just got to
calculate the mask now.
Cleaning up

removed some useless stuff.
Changing "Move Player" to "Players"
Fix portable fixed filter error
Remove useful print lines
Cleaned up fixed/portable dir swap filters bug
Fixed non-existent brush preset selection crash
Merge pull request #128 from skinny121/replaceSlab

Fix replacing top slabs giving wrong/invalid data values
Fix for line tool
Removed a duplicate variable declaration
Block analysis doesn't group same ID blocks
New font with better character support
Reverted to a more similar font
Added a "real" fileChooser dialog for linux. Requires gtk 2.4 or newer. Otherwise old method will be used as fallback.
Made Water/Lava names more literal to blockstates

Will be doing this for a lot of these probably so we can easier
categorize everything for a future blockstate update.