Address Issue 1063: Compatibility azerty

It's dynamic, no need to relog!
Look under input preferences for "Use azerty layout instead of qwerty layout"
Fix Issue 1540: SLURLs not openable from chat?
Solve Issue 1541: Remove old Logins

Little trash button next to the username box added, as its tooltip explains, if you have a valid entry selected and you click it, that entry will be removed.
My test avatar was a fake entry by the name Garbage Tax
Just thought I'd give that to the googles... enjoy~
Group feature request: add ability to not turn when right clicking on objects

Adds RightClickTurnsAvatar to debug settings, defaults to true.
[Preferences Refactor] In vanity->tags, remove color swatch disable logic since it doesn't make much sense anymore and isn't refreshing soon enough.
Whoops, that was C++11, that won't work for Linux and Mac. (code change only)
Fox a small mistake in the last commit.
Fixed the spamming of has left sim
Bumping into the edge of a region without
a neighboring simulator would spam has left
and has entered the sim. This will now check
if the position is a valid global, if position not valid
then it will assume you're still in the same simulator.
Merge branch 'master' of git://github.com/Lirusaito/SingularityViewer