Cleaned up a couple of things that the windows compiler was warning about, with our inheritance structure

Moved most of the appearance utility application level logic into LLAppAppearanceUtility.  Added LLBakingProcess class for adding new process modes.  Create a couple concrete classes for llappearance base classes.

Fixed crashes on login.  Moved most of the remaining character/skeleton generation code into llappearance.   Moved non-rendering related LLViewerJoint functionality into LLAvatarJoint.

Moved over the necessary classes to llappearance to support the loading of the
avatar's structure & params from file.

SH-24114 Remove unused vectorization code (outdated/unused with SSE2 requirement and llvetor4a et al)

back-out the back-out for this branch.  yay.

Backing out this merge that I pushed (prematurely) to the wrong place.

(transplanted from 14545d24820e032279c81cb386dd043eeee625f7)

(transplanted from 14545d24820e032279c81cb386dd043eeee625f7)

and reduce unnecessary dependencies and incredibuild wedging.  Hopefully in
the long run this will reduce build time.  Also cleaned up a lot of header
file usage to conform better to the coding standard.

reviewed by james and steve.

merged all changes, post copy, from the following branches:
linden/brachnes/enable-o-v
user/cg/qar-1538
user/mani/viewer2-enable-o-v

svn merge -r118927:118939
svn+ssh://svn.lindenlab.com/svn/linden/branches/viewer/viewer-1.23.0-merge-2-combo-QAR-1476

this is a composite of...

svn merge -r115088:118182
svn+ssh://svn.lindenlab.com/svn/linden/branches/viewer/viewer_1-23
conflicts resolved:
C      doc/contributions.txt
C      indra/llaudio/audioengine.cpp
C      indra/newview/CMakeLists.txt
C      indra/newview/llfloaterlandholdings.cpp
C      indra/newview/llpaneldirbrowser.cpp
C      indra/newview/llpanelgrouplandmoney.cpp
C      indra/newview/llpreviewscript.cpp
C      indra/newview/llviewermenu.cpp
C      indra/newview/skins/default/xui/en-us/notifications.xml

and...

svn merge -r116937:118673
svn+ssh://svn.lindenlab.com/svn/linden/branches/server/server-1.26
minor-to-trivial conflicts resolved:
C      indra/llcommon/llversionserver.h
C      indra/newsim/llrezdata.cpp
C      indra/newsim/llstate.cpp
C      indra/upgrade/schema_version/sequence/3/index_log_paypal.sql

Result of svn merge -r107256:107258 svn+ssh://svn/svn/user/phoenix/license_2009_merge into trunk. QAR-1165

QAR-648   1.20 Viewer RC10
merge Branch_1-20-Viewer-2 -r 88724:90511 -> release

QAR-369

QAR-369 - viewer-cleanup2-7 81916 merged into release.

windlight14 which have passed QA (up through r79932).

svn merge -r 80831:80833 svn+ssh://svn.lindenlab.com/svn/linden/branches/merge_windlight14_r80620

Result of svn merge -r71162:71205 svn+ssh://svn/svn/linden/branches/new-license into release. only changes files which are not deployed or the comments section of code.

svn merge -r 62595:62596 and 62598:63308 sse-skinning-3 for faster software avatar rendering.  Visual Studio 2005 project file fixed pending.