Refactor out copied movement code.  Add flight mode.
Fix the FLIGHT enum name to be consistent with the others.
Fix bugs related to rendering items in a slot that have bad data. Fix EntityRef.copy() output.
Added check for inverted mouse setting in movement code
Merge remote-tracking branch 'upstream/develop' into develop
fixed backward logic of inverted mouse check
Merge #1190 from @porl
Merge pull request #1188 from Josharias/InventoryUIFixes2

Fix bugs related to rendering items in a slot that have bad data
Merge #1185 by @Josharias - flight mode / movement tweaks
Update doc for new flight mode, update credits
Version tweak for gestalt-module to use a recent snapshot. Needs to go back to normal when the gestalt build job is able to do regular releases again.
Add new module to doc lineup + one more credits entry
Mark launchers as executables
Added a configuration setting to either disable (<= 0) or set the frame limit to something other than 60.
Merge #1201 from @neoascetic - mark launchers as executable
Update credits
Merge branch 'develop' of github.com:MovingBlocks/Terasology into develop
Convert Side.values() to Side.allSides()