use released jasmine selenium runner
Contains is explicitly false if actual is undefined or null

Fix #627
update release doc to use github releases
fix a potential bug
Merge pull request #632 from kissrobber/bug_fix

Fixes incorrect use of signature args

- Not currently an issue, since always called with '2', but could break unexpectedly if argSlice is used without reading the body.
First cut at 2.0.1 release notes
Merge branch 'master' of https://github.com/pivotal/jasmine
Updating version to 2.0.1
Updating source and standalone distribution to 2.0.1
Fixed typo in 2.0.1.md
Adding NPM instructions