Test Travis CI

* Add ESLint rule `prefer-template`

* Add ESLint rule `template-curly-spacing `

* ESLint ignore rocketchat-livechat/assets/rocket-livechat.js

* Add ecmascript package to all packages

* Use ecmascript package for server and client on saml package

* Fix compilation

and remove old stuff

tests the creation of a direct message via the spotlight search 

Started using before hook to make tests independent of each other and started to break down 'basic usage in smaller tests files'

* Organized Tests

organized tests in diferent classes for diferent components

* added render tests and removed done callback

* added flextab tests