rename/move and tweak travis/script.sh
rm outdated readme
rm pre-test init script, use travis' selenium

no longer need to:
- wget selenium
- install yui in node_modules/yahoo-arrow
`npm test` to run all tests
restore selenium fetch and launch
Merge branch 'develop' into travis
bail if selenium isn't running
add cli tests to runall.sh
Update docs/dev_guide/intro/mojito_apps.rst
Merge pull request #884 from isao/travis

Travis cleanup
Merge pull request #888 from jianlin/patch-2

Update docs/dev_guide/intro/mojito_apps.rst