Add scripts for Travis CI integration

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Add Travis CI support

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Ensure both TeX and Lilypond are present before doing Sphinx install

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Demonstration of Build Status badge functionality in README

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Update Travis YAML to run Abjad tests properly

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Only run ajv doctest in the abjad package

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Make py.test operate a bit more quietly for Travis' sake

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Run py.test only in abjad (thereby avoiding experimental, etc.)

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Avoid doctest until I hear back from Josiah about how to disable the experimental module

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Merge branch 'master' of github.com:Abjad/abjad
Add support for ajv doctest

Signed-off-by: George K. Thiruvathukal <gkt@cs.luc.edu>
Merge pull request #451 from gkthiruvathukal/master

Updates to support Travis CI.