Cleaning logs.
Few more drafts
add shader resource type for future use
Cleaning error messages at access to players.
Merge branch 'develop' of https://github.com/vcmi/vcmi into develop
Fall back to first available resolution if config contains invalid value.

Fixes crash on starting game with unavailable resolution
Fixed crash due to incorrect RMG options.
Merge branch 'develop' of https://github.com/vcmi/vcmi into develop
Fixed 1277 - only 2 cursor buttons will be enabled for sliders, depending on its direction (horizontal/vertical)
Fixed 1889 - removed memory leak that caused multiple identical quest marks
Fixed 1888 - centering adv.map will also redraw minimap
Miscellaneous fixes to creature window:
- implemented missing stack size indicator
- fixed detection of battle presence
- fixed placement of spell icons
Merge remote-tracking branch 'remotes/origin/develop' into RendererAbstraction

Conflicts:
	client/CMT.cpp
	client/windows/CQuestLog.cpp