Merge pull request #22 from Skud/dev

Fix some homepage problems
Prevent generators from overriding our CSS.
Generate scaffold for Crops; refactor tests

Add link to Crops page from index
Refactored index/application tests to better reflect where things are.
Prettify views for crops.
Refactor h2s into content_for :title

Now the alert and notice are shown below the subtitle, and the browser
title bar tells you something useful.
In the page footer, add a link to the wiki

Signed-off-by: Federico Mena Quintero <federico@gnome.org>
Make the About link in the footer point to the new wiki

Signed-off-by: Federico Mena Quintero <federico@gnome.org>
Switched to postgres instead of sqlite3
Need to be logged in to edit crops.
Added tests for logged-in-ness in a few other places.

Turned actions ("add new", "edit', etc) into buttons using Zurb CSS.
Only use Postgres in production.
Require a system name for crops.
Include password for production from secret file.

We read in the file using ERB. See
http://stackoverflow.com/questions/18290/how-do-you-secure-database-yml
Merge pull request #25 from pozorvlak/story67cropindex2

Story67cropindex2
Fixed a small bug in this test file.
Merge pull request #26 from Skud/story72cropediting

Story72cropediting
Merge pull request #23 from federicomenaquintero/dev

In the page footer, add a link to the wiki
Keep postgres password out of database.yml, populate it via cap deploy instead.
Merge pull request #27 from Skud/dbdeployment

Keep postgres password out of database.yml, populate it via cap deploy i...
Need to actually call this task