Code cleanup / Cycles:
* Remove unused variable from noise_wave(). 

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@55632 954f8c5b-7b00-dc11-b283-0030488c597c
I18n fixes for C panels & menus (we have to specify the default bpyrna context here, else we get the horrible "empty" string (as translation_context of panels is an array, not a pointer, so it's never NULL).

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@55633 954f8c5b-7b00-dc11-b283-0030488c597c