Only add 'https' when preview page in production
Add a .env.dev file and added instructions about it in the README
Do not set qa url when I have FRONTEND_URL defined
Add http to preview page link when is in dev mode

* Change the ENV variable, removing the 'http://' prefix.
* This is more consistency with the QA and Prod urls
Edit/delete file path should pointing to the same site

* Fix "Unable to select files from files library" bug.
* Before this commit, the files was pointing to the current site url rather
  than the site file path.
Merge pull request #101 from moneyadviceservice/frontend-preview

Frontend preview (improvements)
Merge pull request #104 from moneyadviceservice/fix-select-files-from-the-library

Edit/delete file path should pointing to the same site
Rename method in file presenter id to label_id
Assign file presenter on files controller
Make sure that create records before making test requests
Fixes sticky toolbar/editor selecting text issue

The sticky toolbar was prohibiting the selecting of the first line of
text directly below it.
Format User management screen
Reduced the heading weight across site

… as per design. And fix the editor content sizes and font weight
separately
Adds delete icon to Delete user link
Merge pull request #106 from moneyadviceservice/user-managent-frontend

User managent frontend
Taggings count method
Merge pull request #107 from moneyadviceservice/tag-count

Taggings count method
Remove redundant files
Add InsertManager module

Is a copy of LinkManager with any linkmanager references update. The
intention is to subclass this for the LinkManager and ImageManager
modules.
All 'link' values made generic

So that this can be the superclass of LinkManager/ImageManager