first  version
added standard configure tools
added recent changes that we not automatically submitted
minor corrections
corrections in BuildTools
correction for PKGOBJDIR detection
added new target update-externals
minor correction
several fixes for Cygwin
Some corrections for MSys
added --enable-gnu-packages flag; third party solvers need to be provided with link flags
corrected library extraction on MSys
fixed Clp unit test; changed optimization options for g++; corrected casting for VS8.0
several fixes for Cygwin; automatically gunzip data files of zlib not available
added system configuration header for MSC
several fixes for Cygwin; corrected -no-undefined for Darwin
temporarily allow shared objects on Cygwin and Msys
made setting of libtool flag -no-undefined platform dependent
added JP's DeveloperStudio project files
set externals