new event to let plugin define deprecated module and action

Commented out a test case because the locale is platform dependent which makes this bit of test fail

Use jquery to get clip rect of screenshot to capture in screenshot tests instead of getBoundingClientRect.

Use transientcache once

Use the new PiwikCache::getTransientCache() to store the values instead of using the static array - these are called 50 K times or more when only 100 websites when rendering a scheduled report

+ submodules

added support for different caching backends such as redis

Trying to fix strange travis error, make sure a database is selected in IntegrationTestCase::restoreDbTables.

during core:archive console command, preprocess any custom date ranges that were selected in any User's Preferences

Fixes #6672 Pre-process custom date ranges when any user has this selected in preferences, and pre-process for ALL websites this user has access to, in case he selects "All websites" dashboard