Fix gold bugs (Fixes #1145, Fixes #1146)
added support for serialisation of CustomData state
store additional state of lights in saved game files
bug with sequence of knockouts; giving sense to some hit state code
Improvements to smooth NPC steering
Don't play "idle" voice entries for NPCs with Hello 0

Not entirely sure if this is correct, but it prevents the NPCs in the starting boat from incorrectly playing them.
Bug #1148: Workaround for broken images in some MW versions
"Always best attack" should only affect the player
Disable combat movements for creatures without weapons
Fix LastHitObject
Fix VisController in ascended sleeper's death animation
Support keyframe controllers for bones that aren't in the skeleton base
Handle controllers for the root node. Fixes #1147 (incorrect dwemer crossbow rotation)
Bug #1147: Fix the inventory preview pose used for ranged weapons
Skip inactive controllers. Fixes those bloody bone boots again.
store content of containers in saved game files
changed implementation functions for container serialisation from free functions to member functions (will need some polymorphism later)
handle equipped items when serialising inventory state
added creature/NPC state to saved games (only container/inventory for now)
Merge branch 'savedgame'

Conflicts:
	apps/openmw/mwbase/mechanicsmanager.hpp
	apps/openmw/mwbase/soundmanager.hpp
	apps/openmw/mwgui/mapwindow.hpp
	apps/openmw/mwmechanics/actors.cpp
	apps/openmw/mwmechanics/mechanicsmanagerimp.hpp
	apps/openmw/mwsound/soundmanagerimp.hpp
	components/esm/loadcell.cpp