staffLines now correctly imported into music21
Merge remote-tracking branch 'upstream/master' into StaffLines

Conflicts:
	music21/converter.py
staffLines export to MusicXML is done
Small change for displaying Layout data.
Fix humdrum link
Merge pull request #61 from jamesdoherty/master

Fix humdrum link in docs
Many many sm. changes in anticipation of PY3

Also iPython improvements
Merge branch 'master' of https://github.com/cuthbertLab/music21

Conflicts:
	music21/test/lastResults.txt
More PY3 changes and MultiprocessTest
more PY3 improvements
Merge remote-tracking branch 'upstream/master' into StaffLines
accidently removed subConverter.py
del obsolete. more py3 fixes
python3 multiprocess test WORKS!
Merge remote-tracking branch 'upstream/master' into StaffLines
Release version v1.9.3.
Release version v.1.9.3
Initial 2.0 commit
few changes for PyPi
Revert to 1.9.3 version -- will do 2.0 as a separate branch.