Updates and clean up and frosting, oh my~

Removes old code for permitting emerald attachment points
Removes other old dead code...
Updates RLVa a bit.
Adds more translation flexibility via strings.xml
Phantom Avatar no longer works, not on SL, not on OpenSim. Bye Phantom~
Fix Issue 702: Copy Paste Parameters glitch

Also improves the related code.
It seems the main problem was calling updateVolume before setting sculpt params because this call relies on the isSculpted()
French translation touchup
Spanish translation fixies
Fix Issue 719: Calling Cards can be opened more than just one at a time
Further LLViewerMenu updates
Inventory Updates and Clean Up

Better viewed without space changes
Adds translatable inventory strings
ToolPie Frosting

Easiest read with Copy/Move detection and no space changes
Adds debug settings: DragAndDropDistanceThreshold, EnableGrab, ClickToWalk, ClickActionBuyEnabled, ClickActionPayEnabled
ClickToWalk was redefaulted to false, though if you are curious enough to read this, you should give it a try, it takes some getting used to but it might be fun.
[Frosting:268] Quick fixes to LLViewerMenu

Fixes Stand Up slice not being hooked up in attachment menu
Translators, please update the pie menu accordingly. userdata="Translate,These"
Also fixes an instance where Continue Flying On Unsit would be ignored
[Frosting:288] Ability to left-click sit on one's own objects only.

Debug Settings DisableClickSitOtherOwner added.
Checkbox added to System Preferences for disabling click-to-sit on objects you don't own.

Also redid onCommitCheckBox a bit, best viewed without space changes.
There's more to this feature, but it doesn't work yet.
Fix a bug in the pie menu, in v3 there is a separate pie menu for others' attachments, we don't have this yet.
Made mClickActionBuyEnabled and mClickActionPayEnabled CachedControl members, so they can be changed without a restart.
[Frosting:268] Sit via self pie menu
[Frosting] Feature Request: Add Scripts sub-piemenu

Thanks in part to the FS team for already having something close, that made adding this all easier~
Only Aurora supports not having a last name. So lets just default it to Resident.
Tiny fix to the Scripts sub-piemenu
Cleanup and Synchronization (pre-merge wrap-up commit)
Merge branch 'Cupcake' of https://github.com/LightDrake/SingularityViewer into Frosting

Conflicts:
	indra/newview/llviewerwindow.cpp - Also two compile fixes.
Add support for Avination's "Upload Credits"