[#1905] Allow search on resource name field.

Currently a package search will not search on the resource name field. With this change resource names are indexed so that package search will return dataset(s) where user searches for a resource by name.
[#1905] Allow search on resource name field.

Adds test to new_tests.
[#1905] Allow search on resource name field.

Changed 'assert' to 'eq' to make test pass okay.
fixes PEP8 issue (too many spaces after ',')
Merge branch '1905-package-search-on-resource-name-field' of https://github.com/george-sattler/ckan into george-sattler-1905-package-search-on-resource-name-field
Merge branch 'george-sattler-1905-package-search-on-resource-name-field'