.xml changes:
Added option for bold/normal font, default is still bold

Added option to change the font size (10-14), default is still 12

Enhanced a few tooltips

Code changes:
Choose between PANGO_WEIGHT_BOLD and PANGO_WEIGHT_NORMAL

Use individual font size specified by the user in CCSM

Fixed computation of wrong damageRegion, it was additionally adding
the window size, making it way too large

Removed useless declaration of int width and height

Declare and assign local variables in one line, if possible

Minor indentation fixes