moving mw-scons-tools to site_scons
Remove -Wall because this is a third-party repo, add windows dll build flag
Updating submodule and linux build rules to use new --no-devel-libs
Removing obsolete vcxproj & sln
Merge remote-tracking branch 'origin/master' into improve_scons_a

Conflicts:
	debian/rules
updating submodule ref.
Standardizing all the sconstructs.
Updating site_scons ref
"updating submodule ref"