Fix EZP-21876: Compound matcher throws fatal error after patch from EZP-21834
Merge pull request #553 from ezsystems/fix-EZP-21700-field-sort-clause-language

Fix EZP-21700: Search API returning duplicate content ids
Fix coverage failure by RoleTest::testCreateRoleThrowsLimitationValidationException()
EZP-21904: handle deletion of Content with last Location
Merge pull request #595 from ezsystems/fix-EZP-21904-delete-single-location

Fix EZP-21904: Fatal error after deleting the location of a single location object
Fix SensioLabsInsight critical issue on unused code..
Fix SensioLabsInsight use statement errors (static analysis)
Merge pull request #596 from ezsystems/sli_use_statement_issues

Fix SensioLabsInsight use statement errors (static analysis)
Fix SensioLabsInsight major: Commented code should not be commited
Merge pull request #581 from paradoxe/fix-ezxml-link

fix ezxml link class attribute rendering
EZP-21914: Added set/getDbHandler to Legacy\EzcDbHandler

Allows us to reset the db link when required, for instance
when forking.
Merge pull request #602 from ezsystems/fix/EZP-21914-asyncpublishing_new_stack_db_link

EZP-21914: Added set/getDbHandler to Legacy\EzcDbHandler
Fix EZP-21916: basic auth in http cache purge_servers
Fix EZP-21853: Custom HTTP headers create duplicate values
Fix SensioLabsInsight violation: removed remaining commented code
EZP-21548: fixed: clear all necessary cache
Fix EZP-21924: [SensioLabsInsight] Refactor LegacyKernelController to be less than 20 lines
Fix EZP-21920: do not raise exception on loadRelations

refactored to reduce overhead,
normalized list building. removed temp var
seems there's nothing further to check. removing todo note
Remove .idea from .gitignore

See
https://insight.sensiolabs.com/projects/0885c0ce-4b9f-4b89-aa9c-e8f9f7a315e0/analyses/9#rule-37-019
Fix SensioLabsInsight 'Version of dependencies should be fixed'