Added travis.yml
Added travis specific installation script

Installing only required components, without mongodb (which travis has),
iptables-persistent and sendmail
Added package.json

Contatining only devDependencies
other dependencies are still installed through sh script with normal
installation
Added Gruntfile.js

with jshing and mochaTest tasks
Added test set
Merge pull request #106 from ar2rsawseen/master

Countly travis build and first test set