The "Source" group and subgroups in SB project template no longer point to correct folders

[LearnCocos2D]

They all point to the .spritebuilder folder itself. Adding new files always opens the .spritebuilder folder by default.

Tested with 1.4.8.rc

I may just fix this myself when I find a little time.

[LearnCocos2D]

Upps, wrong repo. First victim of the name change. :)

[LearnCocos2D]

Fixed in: spritebuilder/SpriteBuilder#1351