Merge remote-tracking branch 'singu/master'
Merge remote-tracking branch 'singu/master'
Remove duplicate entries from message_prehash.h
Let curl follow redirects by default.

Turns out that the only responders that want to get the redirect
status codes themselves are the ones that already had a
redirect_status_ok() exception.
Remove unnecessary CommitCallback
Add support for GetMesh2

Tested that it's actually being used - and it seems to download
everything at high speed. Certainly an improvement.

Textures are still *requested* in the wrong order though; for
example - baked textures are simply not requested for a long time -
while they are even downloaded from another service!
Merge branch 'master' of git://github.com/AlericInglewood/SingularityViewer
Merge branch 'master' of github.com:singularity-viewer/SingularityViewer
Add optional chat ranges rings on MiniMap

Ability to show Whisper, Chat and Shout range circles on the MiniMap.
Range values are at the moment hardcoded as [10, 20, 100].

Each ring is binded to the following Debug Settings:
Whisper ring:	MiniMapWhisperRing
Chat Ring:	MiniMapChatRing
Shout Ring:	MiniMapShoutRing

Each ring colour can be customised through the following Debug Settings:
Whisper ring:	MiniMapWhisperRingColor
Chat Ring:	MiniMapChatRingColor
Shout Ring:	MiniMapShoutRingColor

The following Debug Setting is used to enable/disable all the rings at once:
MiniMapChatRings