Fixing base layer for webclient. Using WMTS instead of WMS and use new URL scheme.
Zoom to Europe if we don't have a proper extent in the webclient.
Switch to using EOX Maps layers for background and new overlay. Tabs to spaces.
Switch to using EOX Maps layers in admin.
Merge branch '0.3'

Conflicts:
	eoxserver/resources/coverages/admin.py
	eoxserver/webclient/views.py