Lizard-map

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- Fixed breadcrumbs bug.

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- Fixed bug with breadcrumbs on homepage.

- Fixed bug with daterange template.

- Added default view for apps homepage, including example homepage.

- Added function html to color object.

- Added option ncol to Graph legend.

- Added extra logging for missing TEMPLATE_CONTEXT_PROCESSORS.

- Started sphinx documentation setup.

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- Added option "data-popup-login" to "lizard-map-link", which pops up
a login screen before following the link.

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- Improved css for workspace acceptable. Minor change, but it looks
good.

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- Improved css for workspace items.

- Added add_datasource_point to compensate for Mapnik bug 402.

- Added add-to-workspace button next to workspace acceptables.

- Added pan-to function to workspace items.

- Added panning when selecting a workspace-acceptable.

- Changed default workspace name from "Workspace" to "My Workspace".

- Added workspace.extent function and corresponding url.

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- Google Maps API key in wms.html is now a variable.