Allow running one spec/suite in the web interface

This is the proper way to make it filter the spec list:

https://github.com/pivotal/jasmine/blob/1_3_x/spec/runner.html

I submitted the jasmine-jsreporter change as a pull request here:

https://github.com/detro/jasmine-jsreporter/pull/2

Fixes #563.
Merge pull request #594 from spicyj/skip-spec

Allow running one spec/suite in the web interface