First version of the map

Conflicts:
	urls.py
	views/test.py
Improve the map
Improve the map
Added links and more interaction to the map.

Conflicts:
	templates/pages/tab_images.html
JIRA 411: ItemPart.display_label is not always updated on save.
JIRA 414: Search result shows XML character codes. Tags were stripped from the HTML description field but the HTML entities were left intact.