apachesolr_multisitesearch 7.x-1.1

Changes since 7.x-1.0:

• Added uninstall for variable apachesolr_multisitesearch_query_exclusions.
• #1979788: Fixed PHP notice in apachesolr_multisitesearch_retrieve_metadata().
• #2257783: Added variables for the metadata update and fetch intervals.
• #1909668: Added ability to select certain multisites to include in the search rather than all multisites or the local site.
• #2017689 by pwolanin: fox for query type for fetching meta data.
• #2050715 follow-up to use name 0
• #2050715 by pwolanin: fix for missing user name multisite facet.
• #1996372 by sdrycroft: fix for apachesolr_multisitesearch_apachesolr_delete_by_query_alter not by reference.
• #1801666 by pwolanin: Improve README, docs, api docs.