language update  refs #3430
Merge pull request #268 from piwik/translationupdates

[automatic translation update] Updated 155 strings in 8 languages (de, es, et, fi, hi, nl, sl, sv)
Fixes #4990 Removing use of sessions during installation.
Removed installation step 'databaseCheck'
Factored out the System check in its own class
(The 3 strings keys were removed from otrance)
Refs #4990  remove Protocol section from system check
2.2.1-b2
Removed outdated translation key
Maybe this fixes the Installation screenshot tests? http://builds-artifacts.piwik.org/ui-tests.master/2600.1/screenshot-diffs/diffviewer.html
submodule screenshot build
Fixes  #5080 Installation: when there is already a Super User, skip the installation step
+ rename step name
Testing to catch exception for build: http://builds-artifacts.piwik.org/ui-tests.master/2606.1/screenshot-diffs/diffviewer.html
2.1.1-b3
Fix screenshot tests
Display backtrace during tests, helpful to debug errors.
Display backtrace during tests, helpful to debug errors.
Debugging install tests
refs #1915 clear a users saved parameters on delete, added some tests
refs #1915 ignore filter_sort_order in change check after data requested
ui build
Merge remote-tracking branch 'origin/master'
Submodule