Raise NotImplementedError on `TermApp::Processor`
Add shared_examples for Processor
Remove redundant require statement
Move all Processors into TermApp module
Update RuboCop to v0.26.0
Update gems
Update Rails to 4.1.6

See
http://weblog.rubyonrails.org/2014/9/12/Rails-4-1-6-and-4-0-10-has-been-released/.
Move `Exclude` from `.rubocop.yml` to each file
Update documentation of `Terminal#color_sample`
Use `described_class` instead of explicit class
Pass `Terminal` instance to `LoginHelpers` methods
Move `LoginHelpers` to separate file
Rename `*Helpers` to `*Helper`
Merge pull request #76 from yous/patch-rspec

Add tests for Processors
Merge pull request #77 from yous/patch-processors

Move all Processors into TermApp module
Merge pull request #78 from yous/patch-gem

Update gems
Merge pull request #79 from yous/patch-rubocop

Move `Exclude` from `.rubocop.yml` to each file
Merge pull request #80 from yous/patch-documentation

Update documentation of `Terminal#color_sample`
Merge pull request #81 from yous/patch-rspec-2

Rename helper modules and move to separate files