updated dependencies in Gemfile
updated zeus
locked down Rspec to <3.0, because of too mane deprecations
updated jasmine config files
code review refactoring
Merge pull request #437 from YaroSpace/Gemfile_update

Gemfile update
added Guard to Gemfile
added Guard plugins
commented out require 'autorun' to avoid Guard running specs twice
removed guard-jasmine from Gemfile
added Guard config to config/Guardfile