68191444 Order of content plans

- set order as ref_no asc for all displayings of content plans
- did small clean up of code - corrected some controllers to use decent_exposure
70425858 display assigned tasks in user's profile

https://www.pivotaltracker.com/story/show/70425858

- added displaying of assigned tasks on user's profile page
- covered profile page with Rspec tests
Merge pull request #58 from bitzesty/68191444-content-plans-ordering

68191444 Order of content plans
Merge pull request #59 from bitzesty/70425858-user-profile-add-assigned-tasks

70425858 display assigned tasks in user's profile
70426360 task completion notification

- added Task mailer
- added Tasks::Complete interactor
- covered with Rspec tests
70513102 performance of contents index pages

- ContentPlans index page tweaks:
  - added eager load for tags (act_as_taggable_on's tag_list ignores .includes(:tags))
  - corrected fetching of contents sum of sizes ( contents.sum(:size) ingnores .includes(:contents))

- Contents index page tweaks:
  - set fetching of tags and users via eager loading
69450886 Comments added line breaks

https://www.pivotaltracker.com/story/show/69450886
Merge pull request #62 from bitzesty/70513102-performance-for-index-pages

70513102 performance of contents index pages
Merge pull request #63 from bitzesty/69450886-comments-line-breaks

69450886 Comments added line breaks
Merge pull request #60 from bitzesty/70426360-email-about-task-completion

70426360 task completion notification
70426668 Task overdue notification

- added overdue tasks notification mailer
- setup whenever, added cron task
- covered with Rspec tests
70513102 Performance for some pages

- fixed N+1 query issues in comments and tasks renderings
- fixed some N+1 issues in status bar for (ContentPlan details page and Dashboard page)
- added caching for comments and tasks
- corrected related Rspecs, related to ContentPlan status bar
Merge pull request #61 from bitzesty/70426668-task-overdue-notification

70426668 Task overdue notification
Merge pull request #64 from bitzesty/70513102-performance-for-detail-pages

70513102 Performance for some pages
Pagination set to 15
Merge pull request #65 from bitzesty/pagination-corrects

Pagination set to 15
68355394 storing organizations in DB

https://www.pivotaltracker.com/story/show/68355394

- added Organisation model
- added ImportOrganisations task
- added Rspec tests for Organisation model and ImportOrganizations task
- corrected some existing Rspec tests
- added some gems : ancestry, friendly_id, webmock, fakefs, launchy
68355394 store organizations in db

- added rake task "rake db:populate_organisation_for_dev_env",
  which needs to populate organisation for development env
  in case if you have no ability to populate organisations
  using GOV API and 'rake organisations:inport' script
68355394 added import orgs to cron