Fix for bug #337

Realigned headers to fit properly, also removed ‘blank’ unrelated
entries.
Fix for bug #317

Now if the ‘link-1’ template is missing, it’lls how a warning in the
maintenance page.
Working on Travis configurations.

Notifications and automatic builds hopefully configured right.
Heroku configurations, procfile and travis changes.

Travis is mostly rolled back, but this is the first step configuring
Heroku.