Character preview optimization
The preview doll in the player's inventory uses a selection buffer to detect clicks on items. This is too costly as we need to download a texture from the GPU every time that equipment changes, resulting in noticable lag. Raycasting is now used instead in the OSG branch.
(RM-2751 from redmine: created on 2015-06-30 by scrawl ., , closed on 2015-06-30 by scrawl .)