Move plos_author migrations to engine
Do no include core migrations in the plos_autho migrations
Disable SSL with environment flag
Add solr environment for staging
Call foreman-stop before starting foreman

In the event of a zombie or stuck process, send a kill signal to known
processes before re-starting foreman processes.

This helps to smooth out the application booting process using foreman
Merge branch 'master' into add_foreman_stop_to_foreman_start
Merge branch 'master' into engine-migration
Merge branch 'master' into staging_environment_fixes
Merge pull request #656 from Tahi-project/staging_environment_fixes

Staging environment fixes
Merge pull request #657 from Tahi-project/add_foreman_stop_to_foreman_start

Call foreman-stop before starting foreman
Only kill processes if there are any running
Merge pull request #653 from Tahi-project/engine-migration

Move plos_author migrations to engine
[#83699956] Overlay UI cleanup
Merge pull request #669 from Tahi-project/overlay-ui-cleanup

[#83699956] Overlay UI cleanup
Merge pull request #667 from Tahi-project/fix_foreman_stop

Only kill processes if there are any running
add papers#index route to serve ?doi=xxx queries

- use same policies as papers#show
add ember route /papers/:publisher/:journal.number

It fetches the model from the special rails route /papers?doi=...

This new ember route acts almost the same as the /papers/:paper_id ember route.
Add Paper.find_by_id_or_doi finder method
Clean up code quality issues

I'm not moving anything outside of this file, but the private method
tasks_metadata should be moved to the relationship or foreign model
Cast id/doi to respective type before sending on