added faction table
adjusted faction record to increase consistency with other records
added skill columns to faction table
dealing with unset attribute fields
added hidden flag column to faction table
Merge branch 'faction'
Merge remote-tracking branch 'glorf/bugfix'
simplified code for sub view factory creation
moved Verify function from World menu to File menu
Workaround for launcher compilation problems due to bug in Qt MOC compiler.

For details please see:

https://forum.openmw.org/viewtopic.php?f=7&t=1451
https://bugreports.qt-project.org/browse/QTBUG-22829

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Merge remote-tracking branch 'lgro/qt_and_boost_join_workaround'
Loose files should have priority over BSA resources. This makes texture replacers work.
Improved responsiveness of the inventory window when resizing.
Better handle material texture layers
Read the correct texture resource for other layers
Fix loading screen looking for wallpapers in a fixed group.
Create entities when iterating through the NIF
Create separate groups for each data dir / BSA file.
Merge remote-tracking branch 'scrawl/master'
Merge remote-tracking branch 'kcat/nifogre'