#1367304 by tim.plunkett, dereine: Allow to use arguments with multiple filter groups together. Therefore all filter groups get converted from 0,1 to 1,2 because 0 is made as a special group which has always AND which is then used by the arguments

Revert "Issue #1222324 by damz, agentrickard, bojanz, dereine: Find a proper way to have multiple access tags per view and support relationships."

This reverts commit 5c1de214.

Issue #1222324 by damz, agentrickard, bojanz, dereine: Find a proper way to have multiple access tags per view and support relationships.

As dbtng doens't have base tables per tag this patch adds an ugly
workaround, that runs the query altering manually foreach tag.

#1270982 by drunken monkey, dereine: Allow to specify entity type on non-base-tables, which allows some fancy views integrations like a generic entity views integration

#1201908 by dereine, dug out by Liam Mitchell: Temporary workaround for using subqueries in main query and in clone query

Issue #1182762 by tim.plunkett: Remove periods in sentences on checkbox titles, as they are counter to UX standard.

#1094712 by dereine: Replace locale_language_list with views version of the function to not rely on the locale module

#1124044 by ksenzee, dereine: Catch expections not only in the preview, but still throw out messanges in the preview

#1041340 by bojanz: Field Languages missing all languages option and add a configuration to enable adding the field language to the query

#1080690 by dereine: Fix target/key for querying against sql databases. Therefore don't use db_select anymore.

Issue #1046170 by agentrickard, blackice2999, dereine: Execute preExecute before generate the countQuery to fix pagers with node_access.

#1007466 by aspilicious, dereine: Provide a api function for adding complex queries: add_where_expression, add_having_condition.