DEV-47845 Fix to work with TCP/LLSD message. This checkin is experimental, so if it breaks a build, just revert to the previous changeset.

CTS-110 Remove soft alpha in deferred pipeline (breaks some content).  Will revisit soft alpha in materials project.

(for B5) Fix for EXT-5823 "Include language in user-agent string" (implemented via JavaScript - not in ua string)
(for B5) Fix for EXT-5314 "Inworld Browser blanks out at credit card entry"
Note: also includes an update to install.xml that points to a new version of LLQtWebKit that is required for these fixes

Also, disabled LL_QTWEBKIT_USES_PIXMAPS define in media_plugin_webkit.cpp as the QPixmap changes have been backed out of the llqtwebkit build for now.

Built from revision da5938d041a1 of hg.lindenlab.com/monroe/llqtwebkit-4.6/
and commit 976cb208e4c1ae9df62bce979a5148d7b89172c5 of http://gitorious.org/+lindenqt/qt/lindenqt

Reviewed by: Tofu

just cleaned up notifications.xml

reviewed by Richard and Tofu at https://codereview.productengine.com/secondlife/r/1/

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branch : product-engine

fixed EXT-3607 (Cancelling a Land Sale to Specific Person Allows Land to be Set For Sale to Anyone Briefly)

added additional check so that "for sale to anyone" text is shown only when a parcel is on sale

reviewed by Richard at https://codereview.productengine.com/secondlife/r/4/

--HG--
branch : product-engine

For EXT-5333: Bodyparts missing from appearance and COF. Recovered wearables were failing to get added correctly due to wrong timeout logic.  Reviewed by Nyx.