increased version number
updated changelog
Use explicit C locale in Misc::StringUtils (Fixes #1216)
Fix travis
updated changelog
Reset item model when reference is reset (Fixes #1628)

This caused crashes when the window was resized after the reference no longer exists (e.g. when a savegame is loaded)
Fix compile error for OPENMW_USE_FFMPEG=0
Fix initializing CharacterController with fists or spell equipped
Cancel queued view mode switch when switching view mode (Fixes #1618)
Merge remote-tracking branch 'scrawl/openmw-31' into openmw-31
updated changelog
moved low level widgets from CSVWorld into a separate namespace/directory
SceneWidget::setLighting was missing an update call
custom push button
make buttons in mode panel act like radiobuttons
return/enter activate the selected button
removed text argument from button constructor, because toolbar buttons will always be icon only
added push mode and icon-less push button constructor
use custom button on toolbar (top level)
set focus when opening a toolbar panel