Merge pull request #1211 from garnertb/master

Fixes announcements.
intro text updated to be more specific
cleared up some text and made it easier to read..ongoing work in progress
Merge branch 'master' of https://github.com/GeoNode/geonode into master_geonode
fix title tag
added link to configuration page to manual install
added ordered lists to instructions and cleaned up redundant text
fixed ordered list to show proper numbering
moved reference links to index page and removed reference.txt
moved dependencies into complete install
moved dependencies into complete install
update dev install ubuntu in readme

Updated instructions so that it works with a sh file in a clena ubuntu
12.04 x64 environment
Merge pull request #1214 from GuidoS/master

update dev install ubuntu in readme
add dialogs template
Merge pull request #1215 from simod/master

add dialogs template
Don't try to delete default styles if they don't exist.