[#65] Add individualName to ResponsibleParty
[#63] Add user to delete context to avoid exception
[#63] Add previous_object check

In rare cases (eg if there was a previous error of two objects sharing
a guid) we can have a "changed" state and no previous_object
Merge branch 'master' into 63-extend-spatial-harvesters
[#63] Tweak docs
Avoid that url is interpretated as a pattern by zsh.
Describe how to change ownership in more detail.
bump pycsw requirement to 1.8.0 which eliminates the pycsw model definition issue
[#62] Fix xpath for Alternate Title
Merge branch 'patch-1' of https://github.com/johnjohndoe/ckanext-spatial into johnjohndoe-patch-1
Merge branch 'johnjohndoe-patch-1'
Merge branch 'patch-2' of https://github.com/johnjohndoe/ckanext-spatial into johnjohndoe-patch-2
Merge branch 'johnjohndoe-patch-2'
Merge branch 'master' of https://github.com/tomkralidis/ckanext-spatial into tomkralidis-master
Merge branch 'tomkralidis-master'
Merge branch 'master' into 63-extend-spatial-harvesters