Testing to catch exception for build: http://builds-artifacts.piwik.org/ui-tests.master/2606.1/screenshot-diffs/diffviewer.html

+ rename step name

Maybe this fixes the Installation screenshot tests? http://builds-artifacts.piwik.org/ui-tests.master/2600.1/screenshot-diffs/diffviewer.html

Removed installation step 'databaseCheck'
Factored out the System check in its own class
(The 3 strings keys were removed from otrance)

[automatic translation update] Updated 155 strings in 8 languages (de, es, et, fi, hi, nl, sl, sv)

Fixes #5005 Reset the PluginsInstalled array from the config file, so the status is set correctly when re-installing Piwik and creating new tables

refs #1915 added missing method to delete all viewdatatableparams, metricsToPlot should be saved now as well

refs #1915 reset viewDataTable parameters before each test run to remove previously persisted viewdatatable params from other test runs

refs #1915 a first version of persist & restore report settings. not everything is saved yet (such as metricsToPlot) but most things are

; The list of periods that are available in the Piwik calendar
; Example use case: custom date range requests are processed in real time,
; so they may take a few minutes on very high traffic website: you may remove "range" below to disable this period
enabled_periods_UI = "day,week,month,year,range"
enabled_periods_API = "day,week,month,year,range"

Refs #5037 Setting [General] `enabled_periods_UI` can be used to specify which periods are available in the calendar.

Fixes #5064 - Fixing the FastCGI check in setHttpStatus function of ProxyHttp.php file.
Good catch, thanks for the Pull request 

`zend_mm_heap corrupted` https://travis-ci.org/piwik/piwik/jobs/24192025
 1) Test_Piwik_ServeStaticFile::test_firstAccessNoCompression https://travis-ci.org/piwik/piwik/jobs/24192027

This will be useful to keep the piwik.org web analytics reports clean of the demo usage stats