QAR-1459 etch builds enabled

Reviewed by Brad.

Reviewed by Poppy.

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

svn merge -c 106471 svn+ssh://svn.lindenlab.com/svn/linden/qa/viewer_1-22-106055_merge

svn merge -c104451
svn+ssh://svn.lindenlab.com/svn/linden/branches/moss/openal-maint-viewer-11-combo-r104448

QAR-1018 Lightweight Windows Setup App (windows-setup-3). svn merge -r102882:102883  svn+ssh://svn.lindenlab.com/svn/linden/branches/windows-setup/windows-setup-3-merge

Reviewed by Mani.

force dos drive letters to be uppercase. Patch from Alissa Sabre. vetted through release and cmake lists.

Whatever directory develop.py is run from, it will create the build
trees there.

Reviewed by Mani.

Reverting my changes to the package target. It subtly broke the windows build in a way I didn't want to try to fix in release. Will fix in another branch.

svn+ssh://svn.lindenlab.com/svn/linden/branches/package-target-not-optional
--> release

Always add the package target, but do not include it when selecting
"Build Solution". Reviewed by james.

Added help text for -DSERVER:BOOL=FALSE and -DPACKAGE:BOOL=TRUE options.  No actual code changes.  Reviewed with Kelly.

Revert last change to develop.py because it breaks manually passing -DPACKAGE:BOOL=ON on the command line.

Merging revisions 95284-95283 of svn+ssh://svn.lindenlab.com/svn/linden/release into E:\release, respecting ancestry

DEV-19836 Add --package and --viewer-only options to develop.py.  Ported from maint-viewer.  OK by CG.

Merging revisions 95145-95146,95281-95282 of svn+ssh://svn.lindenlab.com/svn/linden/branches/maint-viewer/maint-viewer-10 into E:\release, respecting ancestry

Self-reviewed.

This improves build times, since most devs don't need to package stuff.

Reviewed by that fine specimen of reviewerhood, Palange.

Reviewed by Palange.

dataserver-is-deprecated
for-fucks-sake-whats-with-these-commit-markers