Clean up, add documentation
Move hotkey to keysettings
Fix typo and rename CameraModes
Fix bug only half of unreliable queue handled per step in worst case
update games/default
Merge remote-tracking branch 'minetest/master'

Conflicts:
	src/connection.cpp
New HUD element - waypoint.
Merge remote-tracking branch 'minetest/master'

Conflicts:
	src/hud.cpp
fix libsnappy issue
Merge pull request #41 from gourytch/fix-snappy

fix libsnappy issue
Install leveldb and snappy (Travis).
Enlarge button in Settings tab (fixes #42).
The line "minetest.conf" should be replaced with "freeminer.conf".
update games/default
Fix a little mistake
Merge pull request #45 from Kotolegokot/master

Fix a little mistake
Merge remote-tracking branch 'BlockMen-mt/third_person_view'

Conflicts:
	src/camera.cpp
	src/game.cpp
	src/hud.cpp
Fix unexpected preprocessor directive in gettext.cpp
Optimize simulator.
Add unstaged files.