Backed out changeset: cfa60aef8061, added setBlockFromValue so setting a LLRect param in code will set the individua

added setBlockFromValue so setting a LLRect param in code will set the individual left, right, top, bottom values, for example
don't call setupParams when creating widgets from code
moved Multiple param constraints into BaseBlock to remove extra scoping

moved LLRadioCtrl to internal implementation of LLRadioGroup
reviewed by Leyla

reviewed by Mani

Fix for DEV-44045 "Update text, checkbox & layout changes for Build : Media Settings : Controls tab"

the target object and use that fact to raise its interest level.

This is mostly a pass-off for monroe to take and run with

The text in the search editor is now properly kept updated.

We now disable the teleport/map buttons when they cannot be used (when
we don't have a global 3D position for the parcel). We also update
this button enable state at the right times.

When we open the Places side tray for a parcel, given a UUID, we now
look up the parcel's global 3D position so that the teleport and map
functions work correctly.

--HG--
branch : avatar-pipeline

  EXT-3422 Add IM/Notification pending button art, style and layout of overflow arrows, align message well with bottom bar

--HG--
branch : avatar-pipeline