Merge pull request #420 from hacken-in/update-dependencies

Updating Dependencies
Remove Capistrano
Merge pull request #421 from hacken-in/capistrano

Remove Capistrano
Updated dalli to 2.7.2

The warning is no longer valid according to @bitboxer, as we are on
shelly cloud now
Update RSpec related libraries

* guard
* guard-rspec
* rspec-rails
* spring
* spring-commands-rspec
Adjusted Specs to the current RSpec version
Merge pull request #422 from hacken-in/more-bumps

More bumps
Updated to Rails 4.1.4