Replace database configuration with GNOME production ones (container aware)

See merge request !3

Replace database configuration with GNOME production one. Make also sure variables are defined there, we're going to replace them during container's creation

Add gnome_theme app to house templates and static assets from Allan's devportal mockup

Closes #9

See merge request !2

Add gnome_theme app to house templates and static assets from Allan's devportal layout mockup. Fixes #9

All you need to run a vanilla Django CMS

See merge request !1