monroe already did most of this, just moved dialog for confirming opening external browser to common code that calls out to external browser
so no way to skip notification unless the user opts out

Final fixes for:
EXT-7209 camera to enter appearance edit mode
EXT-7366 change camera to face front of avatar in previews
EXT-7213 kill old appearance editor

Partial fix for:
EXT-7392 alpha mask checkboxes are not hooked up

All changes code reviewed by vir. Following commits (plus this one) reviewed with this checkin:
425d4e960450
15d04b6464a7
e92ae606de12
adc94512ea9b
24577dbbf7a4
6f28b241eae2

(sorry dessie! :) )

Reviewed by Neal Orman at https://codereview.productengine.com/secondlife/r/434/

--HG--
branch : product-engine

This upgrades linux libcurl(+ares) to the lindenlib 7.20.1 version.

added saving initial outfit in My Outfits when wearables got loaded

Reviewed by Neal Orman at https://codereview.productengine.com/secondlife/r/450/

--HG--
branch : product-engine

Incoming changes in  (924d091c166c) moved SidebarCameraMovement logic out of special widget to camera setup code
are reset changes in  (380b2422b864) EXT-7434 FIX Worldview rect wasn't updated when "SidebarCameraMovement" variable
But seems bug is not reproduced.

--HG--
branch : product-engine

--HG--
branch : product-engine

EXT-4128 FIX  After using Object Profile, edited objects remain highlighted when edit floater is closed

Fixes for DEV-50619 Have the low graphics settings be the lowest possible settings for settings with slider bars and DEV-50618 Have Draw Classic Clouds be off for low graphics settings and DEV-50616 Toggling Draw Classic Clouds does not actually prevent them from being drawn if clouds have been drawn once.  Reviewed by qarl

Removed last remaining references to gFloaterCustomize.
Next step: kill the files themselves.
Will be reviewed when complete, before pushing