allow the track info dialog to override the default lap number for a track
Merge branch 'master' of https://github.com/supertuxkart/stk-code into laps
corrections
Initial work on billboard text
More work on billboard text
Applied bugfix from konstin.
Try to fix too dark tracks.
Fix strange colors in rtts.
bugfix, only use the texture in layer 0 to apply material
Get dimensions of best resolution before creating irr device.

I also changed default 800x600 resolution to the size screen because sometimes this resolution may not exist. For example in rotated screens.
xrandr: update width and height params when wanted resolution was not found and we get the default one.
Update .gitignore file.

Too many builds in one folder ;-)
Fixed typo
Merge branch 'master' into NewBillboardText
Improve billboard text node
Use new billboard text node in FTL
Only calculate diffuse coefficient once.
Manually delete an IImage *

Ref couting doesnt seem to work on this object.
Forget to delete 2nd order SH coefficient arrays.
New billboard text scene node is almost complete now