Updated MSVC documentation about log4cxx, SQLite and YAJL.
Updated MSVC documentation about log4cxx, SQLite and YAJL.

acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core,acmorrow/pion-core