Updated scripts
Merge branch 'gh-pages'

Conflicts:
	js/scripts.js
	js/scripts.min.js
Updated scripts. Sorry
Update README.md
Merge branch 'develop' into gh-pages
Merge branch 'develop'. Project Zeppelin v0.4
Update _config.yml

Minor changes to base URLs
Initial preparation for DevFest GDG Düsseldorf

- replace most GDG.org.ua links by GDG DUS.
- a stub for "become a speaker"
- GDG Dus logos
- Disable Google analytics
Merge branch 'master' into gh-pages
Disable not up to date pages and lists.
Fixing issue #2

I've removed Ukraine and resorted based upon country first.
Fixing issue #6

Replaced Lviv with Düsseldorf and I've added my name and contact
details.
Fixing issue #4 and #5

Disabled "hackathon" and disabled unused social media links in the
footer.
Replace hero.jpg image (issue #1)

Thanks to Frederik Schweiger for the permission to use:
https://www.flickr.com/photos/frederikschweiger/14510984897/in/photostream/
Resized to 1620 x 1080.
Add a "become a sponsor" page. (Issue #7)
Become a speaker: Using google forms.

The form also collect the abstract of the talk.
Add team members. (#15)

- Randy
- Resul
- Johan
- Jens
Removed committee section Issue #18
Fixing issue #18

Wrote about us text and restructured the page.
Also disabled blog comments since we don't need this.
Comment out "Rockstar Speakers" section (#20)

.. until we have the speaker list.