apachesolr 7.x-1.0-rc4

Changes since 7.x-1.0-rc3:

• #1790894 by pwolanin: fix for Cloning an environment doesn't clone the bundles to be indexed.
• #1778050 by Nick_vh, pwolanin: fix for stale cache when CTools is already enabled.
• #1778266 by pwolanin: cleanup setUp
• #1778266 by Nick_vh, mkalkbrenner: Refactoring of DrupalSolrOnlineWebTestCase to be used by Others.
• #1789526 by pwolanin: Clarify lack of upgrade path from 6.x-1.x.
• #1765938 by cpliakas: Added Move the variable_get() for "apachesolr_environments()" after the cache_set() so that URLs can be modified dynamically.
• #1782436 by cspitzlay: Fixed Error and obsolete hint in code comment.
• #1732900 by cpliakas: Added Change the wording of the generic "Apache Solr server unavailable" error message.
• #1781040 by mkalkbrenner: Fixed Switch "Enable spell check" does not work - spell check is allways on.
• #1786450 by Nick_vh: Fixed apachesolr.interface.inc is not always loaded.
• 1760592 by cpliakas, pwolanin: fix for core_search page does not use the current default search environment.
• #1759004 by mkalkbrenner, pwolanin: fix for apachesolr_search_custom_page_search_form_submit() kills all parameters.
• #1778150 by cpliakas, pwolanin: fix for SQL error in apachesolr_environment_load_subrecords().
• #1708150 by pwolanin: follow-up to simplfy interface
• #1743138 by mundanity: Fixed Invalid argument when running Drush.
• #1751640 by cpliakas: Added drush commands to see the ID of the last item indexes as well as the next item queued for indexing.
• #1708150 by ianmthomasuk, Nick_vh: Added additional typing to function definitions.
• #1759110 by Nick_vh: Fixed process response fails if variable was set but never removed.
• #1741066 by Nick_vh: Added geo query type to make contribs modules life easier.
• #1719302 by Nick_vh, msti: Fixed Running an empty facet query so the facet blocks can be displayed.
• #1730840 by pwolanin: Normalize boolean and other values for parameters like hl.
• #1717628 by pwolanin fu for 'Save and Edit' functionality for configuration pages, don't use 'op'
• #1729836 by pwolanin: fix for 'Results per page' option for a search page is broken.
• #1722966 by greggles: Fixed make apachesolr_index_batch_index_finished() message more translateable.
• #1717628 by Nick_vh | cpliakas: Added "Save and Edit" functionality for configuration pages. - Follow up