* Added code documentation skeletons in SecondLife.cs
* Removed Helpers.Log and replaced it with SecondLife.Log that is silent if SecondLife.Debug = false;
* Removed logging from ProtocolManager.cs where an exception was also being thrown
* Replaced logging in the FieldToString method with a sensible return value on error
* Replaced Packet.Blocks() logging with an ugly hack for now
* Replaced most logging with exception throwing to prevent broken apps from breaking further
* Formatting fixes for some of the files
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@173 52acb1d6-8a22-11de-b505-999d5b087335
