Unofficial Patch for OpenSim 0.6.7

Contents of corrections.

1) Fall to the hell
The phenomenon of avatar's falling to the hell is corrected at the boundary of SIM and empty region.
However, there is a possibility of not operating normally in the Combine mode.

2) Emergency Position
The phenomenon of jump to Emergency Position (127,127,127) at SIM boundary is evaded.
But this is not Bug.

3) Avatar swims on the ground
The phenomenon that swims on the ground is evaded when falling from the fly.

4) Avatar is caught at SIM boundary between some seconds
Caught of avatar between some seconds is canceled at SIM boundary.
But this is not Bug.

5) Crash of thread [1]
When "World" -> "About Land..." -> "Objects" -> "Refresh List" is selected in land without the object, the error which the thread crashes is trapped by "try-catch". (catch only)

6) Crash of thread [2]
Error of System.NullReferenceException of Script Engine is trapped by "try-catch". (catch only)

7) The message that the version of SIM is different only because OS is different is displayed.
It is modified that information of OS is not put in Version information.
If revision number of SVN cannot be acquired accurately, please write the revision number to bin/svn_revision file.

8) Name of libopenjpeg in bin/OpenMetaverse.dll.config
libopenjpeg-dotnet-2.1.3.0-dotnet-1 is corrected to ibopenjpeg-dotnet-2.1.3.0-dotnet-1-i686