Revert "[#15] Tweak doc to remove paper"

Reverting #15 as CKAN 2.0 does not include the necessary changes.

This reverts commit cf22017b7d59bf2d15d9f522baf4ee9727a206dd.
Revert "[#15] Document different spatial search backends available"

Reverting #15 as CKAN 2.0 does not include the necessary changes.

This reverts commit 945161c7cb7e7477d5603ecceece7caa24c8b310.
Revert "[#15] Add a new Solr search backend based on boost function"

Reverting #15 as CKAN 2.0 does not include the necessary changes.

This reverts commit bddfdf6fba58baa2823a29a0f3b23e9cf7958e4a.

Conflicts:

	ckanext/spatial/plugin.py
Revert "[#15] Read search backend config option once only"

Reverting #15 as CKAN 2.0 does not include the necessary changes.

This reverts commit d11693f0767f42c481b2d32cdfd89eb485ef1d0a.

Conflicts:

	ckanext/spatial/plugin.py
Revert "[#15] Ensure that bounding boxes are defined counter-clockwise"

Reverting #15 as CKAN 2.0 does not include the necessary changes.

This reverts commit fede0b0831ff58d76e1ddb165102e672b60bb7fa.
Revert "[#15] Add suport for Solr spatial indexing and querying"

Reverting #15 as CKAN 2.0 does not include the necessary changes.

This reverts commit c7a9cc660f663bdcfcb4daf4484bb83f666871f5.
Update spatial query docs