Remove disqus comments

They're now added by the plugin itself using ckan_extends.
Update the homepage to use jQuery and work in IE8
Add README and pip-requirements file with ckanext-spatial. 

If missing, some of the datasets
that are created using ckan-demo-data produce
500 errors as they can't find the dataset_map_styles
template.
Removes extra params on ckan_extends to prevent warnings
Remove uneeded block within package read
Moved Statics into fanstatic library
Merge pull request #2 from okfn/template-tweaks

Template tweaks
Update dataset extent map
Add spatial search widget
Update footer map disclaimer
Update footer
Add a warning to the header of demo
Change to occasionally.
Merge pull request #3 from okfn/warning

Add a warning to the header of demo
Add reset command
Merge branch 'development'

Conflicts:
	ckanext/demo/commands.py
	ckanext/demo/plugins.py
	ckanext/demo/templates/package/read.html
Update to the version in development