scons: fix the lib scripts to not modify the global environment
scons: add initial set of SConscript for src
scons: add script for versort
scons: add pacman-g2 src directory
scons_util: CRLF -> LF
scons_util: add function to import the definitions needed to link/compile against libpacman
scons: import scons_util into all SConscripts that build stuff
scons: only import libpacman information where it is needed