Blender Git Loki

This commit contains the addition of a greek translation thanks to


�?�?�?�?ή�? �?α�βο�?νιά�η�?
Kostas Gerontis

Also a patch from Markus Schulz that

adds buttons to the material, light, and world texture panels to make it
easy to rearrange the textures in the list without having to
use copy and paste.