Merge pull request #33 from dannydavidson/grep

[added] support for mocha `grep` option
Increase timeout for slow test case
Add contribbutor
Bump mocaccino to 1.1 for `--grep`
1.5.0
Improve phantomjs install instructions

- Refer to the phantomjs npm package.
- Remove browserify and mocha from example devDependencies since they are not required anymore.
[added] support for grep invert flag