Initial zinnia integration
Some zinnia customations for using the site's theme and solve some conflicts.
Merge branch 'blog' of https://github.com/shygon/kikar-hamedina into shygon-blog
Merge branch 'newmodel' of https://github.com/hasadna/kikar-hamedina into newmodel
yotam: minor changes to NavBar
Merge pull request #54 from yotammanor/newmodel

Add Zinnia blog integration, basic beta version.