[IMPROVED] Added Rubocop support

* [UPDATE] Gemfile supporting Rubocop
* [UPDATE] Updated Rakefile to add Rubocop
* [UPDATE] File updates to pass Rubocop
* [ADDED] rubocop configuration file
* [REMOVED] Travis Ruby 1.9.2
* [ADDED] Bootstrap script to install Gems locally
[IMPROVED] Pass more Rubocop tests

* [CHANGE] Adjusted line lenghts to 100 cars
* [CHANGE] Added encoding header
* [CHANGE] Updated all files triggering errors in rubocop
[FIX] User Chefspec 3.0.0.beta
[FIX] Further work on Rubocop and Chefspec

* [FIX] Pass chefspec 3 tests in server spec
 * A lot of features were removed since content matching doesn't work
* [UPDATE] Do not run rubocop inside cookbooks installation but local
* [UPDATE] Fixed server installation recipe
[UPDATE] Finilized rubocop/chefspec 3

* [FIX] Re-added template content checks
* [FIX] Proper passing of template variables
[FIX] Rubocop error
Merge pull request #88 from Bigpoint/rubocop

Rubocop