Hendrik Leppkes:
	- Implement "Show background" for combo point derived bars (Ticket #962)
	- Safer table access when loading a layout module
	- Monk mana tags are also unused now
	- Remove outdated class-specific tags
	- Fix druid mana tags in balance form
	- Remove wrong condition in druid:absolutepp tag
	- Properly update combopoint derived bars block sizes
	- Some extra safety checks for block handling
	- Update localization script to use https
	- nil check priority before using it
	- Fix layout export to properly handle multi-line strings
