remove Dimensions and Reports to avoid huge upgrade query on DB:
   ALTER TABLE `log_visit` ADD COLUMN `example_visit_dimension` INTEGER(11) DEFAULT 0 NOT NULL, ADD COLUMN `referer_visit_server_date` date default NULL;
   ALTER TABLE `log_conversion` ADD COLUMN `referer_visit_server_date` date default NULL, ADD COLUMN `example_conversion_dimension` INTEGER(11) DEFAULT 0 NOT NULL;
   ALTER TABLE `log_link_visit_action` ADD COLUMN `example_action_dimension` VARCHAR(255) DEFAULT NULL;
replace placeholders in translation, otherwise they will be displayed
Fixes #5407 Define gzopen function as alias of gzopen64 when it applies
Add gzopen() function test to "required" system check fixes  #5925
Fixes #5912 Removing UI code + refactor out the un-needed parameter to function `$parseToHost`
Revert tests that started failing after 49ae6b4030e83a9e0b5a842810c7ddda3c322b24
Fixes  #5927 remove unused column log_conversion.referer_visit_server_date
Fixing issue when there is an invalid cache pointing to a file that does not exist anymore.
Should resolve error: `Warning: include_once(/home/piwik-demo2/www/plugins/ExamplePlugin/Columns/ExampleVisitDimension.php): failed to open stream: No such file or directory in /home/piwik-demo2/www/core/Plugin.php on line 356 `
Refactor handling cors for multiple domains. Also refactor name from hosts into domains.
refs #5895 should append segment parameter to imageGraph if set in the original request
Merge pull request #5929 from czolnowski/fix-cors-multiple-domains-split

CORS refactoring
Hide notice "undefined _name"
gzopen is only optional (Unzip is used: one click auto update and Marketplace plugins install/update)
refs #5895 test file now shows &segment parameter
refs #5895 replace _GET access by helper method
as a bonus it fixes the tests without having to use a Monday night's hack
revert 2d27720df26 as it broke the All websites dashboard (showing {{ 'string' }} in the UI)
http://builds-artifacts.piwik.org/ui-tests.master/3998.1/screenshot-diffs/singlediff.html?processed=../processed-ui-screenshots/UIIntegrationTest_widgetize_allwebsites.png&expected=UIIntegrationTest_widgetize_allwebsites.png&github=UIIntegrationTest_widgetize_allwebsites.png
2.5.0-b2 with working All websites dashboard
removed example dimensions from segment editor and Updater screen, added gzopen to system checks
refs #5820 looks like a translation key was missing or got lost
refs #5890 make sure to pass the actual entered value to the setting