copy/paste error in autobuild.xml caused INSTALL_PROPRIETARY to be set to TRUE
for OS builds. This causes configure to fail as llconvexdecomposition is not
available to OS devs. Changing INSTALL_PROPRIETARY to false for OS devs so
that llconvexdecompositionstub is used instead. problem only affects windows
builds.

STORM-1260 FIXED Replaced llerrs messages with llwarns in directory iterator code to avoid viewer halt when a cache dir is not found.

reviewed by davep.

reviewed by davep.

* Disabled SSAO on macs with 8 or less texture units.
* Slight cleanup of sunlight fragment shaders to remove unused texture units.

Reviewed by davep

Automated merge with bundle:F:\code\viewer-experience-merge+c:\users\richard\appdata\local\temp\thg.7nrmxq\ssh__richard@hg.lindenlab.com_richard_viewer-experience_gittck.hg

STORM-1243 WIP Fixed a typo in notifications.xml which might lead to numerous notification handling errors.

The typo was introduced in changeset 437f3d892bfd.

WIP VWR-23688 adding es and pt missing translation; add 1 zh file for testing Traditional Chinese as a new language