MAINT-6317 [QuickGraphics-RC] Some rigged mesh attachments render fully on jellybaby avatars when ALM is enabled
FIXED
- remove global identifier for the black texture
- add black texture 2x2x3 localy on apllication startup
- add special flag to LLViewerFetchedTexture for protect from removing

Fixe based on that texture with assetd id: "3b39cc01-c2d1-e194-1181-e4404978b20c"
will exist on data server.

consolidated most indra-specific constants in llcommon under indra_constants.h
fixed issues with operations on mixed unit types (implicit and explicit)
made LL_INFOS() style macros variadic in order to subsume other logging methods
such as ll_infos
added optional tag output to error recorders

Moved some functions with llinfos into .cpp files
Linker optimizations, all

ignore-dead-branch

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

dataserver-is-deprecated

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

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.