Implements the show version command.
If you type show version at the console, you will get the revision that opensim is running, assuming you have the .svn/entries file in your base directory (e.g. you are running from code extracted from our SVN repository)
A patch to also send this to the client should follow shortly
Note: This is the first part of some changes from Dr Scofield to support console-less operation of an OpenSim region server.
The changes are not yet complete.
* refactors OpenSimMain into two classes: OpenSimMain and
OpenSimMainConsole. OpenSimMainConsole derives from OpenSimMain
and basically is the "old" OpenSimMain
* drops StartConsole from RegionApplicationBase (was only called
from the "old" OpenSimMain anyhow)
* reverts the changes to TryGetScene(string, out scene) as that
seems to work perfectly fine
* adds a check to region-remove to see whether
m_sceneManger.CurrentScene is non-null before comparing it against
the region-to-be-removed
