Clean timeout

Clear the test timeout, this is needed when testem is used as a module, otherwise the timeout is called even after a previous test ended.
Adds a jasmine2 runner to testem

This seems to complete the work started by #277
Added example and docs for Jasmine 2.
0.6.3
Fixed ctrl-c in dev mode not cleaning up the launchers (#334).
0.6.4
Merge pull request #332 from piuccio/timeout

Clean timeout
0.6.5
Handle connection reset error