Enables browsing through roles and their details
Merge conflicts
Adds tests for browsing roles.
Moves Dockerfile to separate feature branch.
Adds saved searches (with examples) to settings, shows them in node list view.
Removes unnecessary Array.
Creates test for saved search feature, updates node search test.
Removes saved_searches logic from .erb file, updates README.
Fixes README typo.
Merge branch 'develop' into feature/browse-roles
Adds role search & cucumber tests.
Adds environment search & cucumber tests.
Resolve conflicts.
Missing space in README.md
ping jenkins
Fixes tests
Merge branch 'develop' into feature/environment-view
Merge pull request #20 from 3ofcoins/feature/environment-view

Feature/environment view
Removes  method, changes html tags.
Merge pull request #19 from 3ofcoins/feature/browse-roles

Feature/browse roles