STORM-2035 - Invert the background color in script editors for highlighting sections. Since the background color can be changed by the user, this ensures distinctive highlighting

STORM-2036 - Fix trying to parse caps too early by adding a callback to check region caps when they haven't already been received

BUG-6425 - Init default keywords file during ctor so we have something to fallback on should caps or fetch fail

DRTVWR-354 : Rewrite Responders for Twitter and Flickr to conform to new LLHTTPClient interface. Fix merge error in Facebook connect as well

* Move file fetched callback to the singleton and handle all syntax id changes within the singleton
* Remove a fair number of bool checks and method relying more on callbacks to drive syntax changes.
* Don't pretty print the cache file to conserve space and to speed up xml to llsd parsing
* Clean up includes

STORM-2025: Part 2 - After consulting with Oz, remove subcategories of constants and fix highlighting

MAINT-4114: Refactoring the LLBadge code to ensure a parent view always has the badge (to preserve memory cleanliness), but to also allow for badge reparenting so that the NEW badge works in the inventory window.  This change relates to 9e0d629da1487f850beb2767bd47734c4ccc393e.

MAINT-4106: Correcting crash on exit behavior during normal shutdown.  With the more comprehensive texture cleanup going on, this code was causing an crash on exit when gAgentAvatarp was null.  Adding a check for null before proceeding.

MAINT-4077: Refactoring to add copy constructors to the LLVisualParam class and all of its derived descendants in order to clarify ownership of memory pointers.