-Floater utilizes a slightly modified LLPanelNearbyMedia, which has fading and the 'minimal' mode disabled when its parent is a floater.
-Due to how LL designed LLPanelNearbyMedia, only one instance should ever be allowed at a time.
Added LLNameBox. To avoid having dupilcate code, logic in LLTextBox::fromXML had to be moved to LLTextBox::initFromXML.
-Perfomed some additional cleanup. 'name' attribute now parsed in LLUICtrl::initFromXML, or as-needed for elements not based off of LLUICtrl.
LLSlider now respects current DrawContext
Fixed the AO toolbar widget reserving too much width.
Made the "wlfAdvSettingsPopup" setting persist, and un-inverted its logic.
Altered ui initilization order. Toolbar/overlay panels now constructed further into login process.
-Removed a few extra unneeded virtuals
-Pulled tabgroups out of llpanel and into LLView
-removeChild doesn't support delete. Delete manually.
-addChildAtEnd renamed to addChildInBack
-getScreenRect renamed to calcScreenRect
-added calcScreenBoundingRect and calcBoundingRect(which updateBoundingRect calls
-General cleanup. Someone at LL figured out that dynamic_cast actually exists.
Fixed PieMenu not reliably centering on cursor.
Fixed context menu crash in line and text editors.
Classes with LLEditMenuHandler as a base do not need to set gEditMenuHandler to NULL, since LLEditMenuHandler's dtor does that already!
