Allow fatigue stat to become negative when fatigue damages are taken
Do not display negative stat values

Display zero instead of negative values.
Also remove useless for loops and some unused attributes.
Fix wind gravity affector
bug fix http://bugs.openmw.org/issues/985
Don't try to show exceptions in a message box if SDL was not initialized
Revert "bug fix http://bugs.openmw.org/issues/985"

This reverts commit 7a9b64c6f4823f16cd2f6e6a6de6812578c106d6.
bug fix at http://bugs.openmw.org/issues/985
Merge remote-tracking branch 'mrcheko/master'
Remove unused code
Enable microcode caching for Ogre 1.9+
Fix incorrect value for partially used items (missing float casts). Make sure the correct value is displayed in tooltips.
Don't stack used torches
Merge branch 'master' of https://github.com/zinnschlag/openmw

Conflicts:
	apps/openmw/main.cpp
Fix for Bug #922: Launcher writing merged openmw.cfg files