addition of an mb_sconstruct tool. auto-detects when to use variant dirs.
move the vcxproj out of obj, rearrange the output and internal dirs a little.
removing an unneccessary property that may have been creating an extra, empty dir.
Merge branch 'master' of github.com:makerbot/mw-scons-tools into no_variant

Conflicts:
	vcxproj.py
Updating output dir on windows to continue with the old location for a while longer.
updating some strings in mb_sconstruct
Adding trailing slash to outdir on windows (because msbuild warns about that)
Changing the int dir to obj/project_name/...
Adding outdir to library search path on windows.
Return path to binary and consume pathed libs on windows.
handle # differently on windows, now.