Updates

- pnpm-replicate-0.1.1 -> 0.1.2
- execSync-0.0.4 -> 1.0.1-pre
- chai-1.7.2 -> 1.8.1
- grunt-contrib-jshint-0.6.3 -> 0.7.0
- grunt-mocha-test-0.6.3 -> 0.7.0
- mocha-1.12.0 -> 1.13.0
- node-0.10.13 -> 0.10.21
- npm-1.3.4 -> 1.3.11
- removed travis-cov
- updated badges in README
- made jshint even more strict

fixes #8 
fixes #9