Helpers.cs: added RotMag for returning the magnitude of an LLQuaternion rotation, and const doubles DEG_TO_RAD and RAD_TO_DEG.
Helpers.cs: added RotMag for returning the magnitude of an LLQuaternion rotation, and const doubles DEG_TO_RAD and RAD_TO_DEG.

git-svn-id: baf6e02d125cf6f9bfcfe153b2eb83d6e1f5ace6@914 52acb1d6-8a22-11de-b505-999d5b087335

logicmoo/libopenmetaverse,tectronics/libopenmetaverse,tectronics/libopenmetaverse,logicmoo/libopenmetaverse,logicmoo/libopenmetaverse,logicmoo/libopenmetaverse,radegastdev/libopenmetaverse,tectronics/libopenmetaverse,logicmoo/libopenmetaverse,radegastdev/libopenmetaverse,tectronics/libopenmetaverse,radegastdev/libopenmetaverse,radegastdev/libopenmetaverse,logicmoo/libopenmetaverse