Fixing node dates so it works in Drupal 7, for some reason the preprocess node variables we where using in Drupal6 don't work anymore.

Issue #1125356 by johnnyfive,ipwa: Fixing a bunch of Drupal 7 errors and fixing assigning blocks to sidebars

  <li> <a href="http://drupal.org/node/371739">#371739</a> by bazzly: tabs missing </li>
  <li> <a href="http://drupal.org/node/361247">#361247</a> by Cromicon: Primary links and search box missing </li>
  <li> <a href="http://drupal.org/node/364250">#364250</a> by asiaeast: Content_top region missing </li>
  <li> <a href="http://drupal.org/node/364250">#364250</a> by andrewtberman: Adding dynamic slogan </li>
  <li> <a href="http://drupal.org/node/378556">#378556</a> by peterx: Content_top region missing </li>
<ul>

First release for the grassland theme this is an initial dev commit so please don't use this in any production site, this hasn't been tested.