* improved ui and responsiveness

* improve rss widget

* commit changes for ui again, got lost after the last commit

* fix more tests

* restoring files

* fix fonts

* fix more tests

* more test fixes

* fix some system tests

* fix tests

* fix system and ui tests

* fix updater tests

* make a page as loaded once the callback is called

* enable verbose

* more verbose output

* enable phantomjs debug flag

* debug should be a phantomjs option

* trying to fix installation tests

* fixes #10173 to not compile css files as less

* trying to minimize js/css requests to hopefully prevent random ui test fails

* disable verbose mode

* fix updater and installation

* lots of bugfixes and ui tweaks

* fix reset dashboard

* various bugfixes

* fix integration tests

* fix text color

* hoping to fix installation tests this way

* cache css/js resources for an hour, should speed up tests and prevent some random issues

* we need to avoid installing plugins multiple times at the same time when requesting resources

* finally getting the colors right again

* fix most tests, more tests for theme

* use an h2 element for titles for better accessibility

* fix headline color

* use actual theme text color (piwik-black)

* fix small font size was applied on all p elements

* fix tests

* now improving all the datatables

* trying to ignore images for visitor log

* Revert "trying to ignore images for visitor log"

This reverts commit ad1ff7267aae14ad905bef130e956c8593c4fb22.

* fix tests

* fix we had always ignored a max label width

* trying to fix file permissions

* fix more file permissions

* Improved plugins update API (#10028)

* refs #7983 let plugins add or remove fields to websites and better settings api

* * Hide CorePluginsAdmin API methods
* More documentation
* Added some more tests

* improved updates API for plugins

* better error code as duplicate column cannot really happen when not actually renaming a colum

Conflicts:
	core/Updates/3.0.0-b1.php
	plugins/CoreUpdater/Commands/Update/CliUpdateObserver.php

* fix DB field piwik_log_visit.location_provider too small (#10003)

* fixes #9564 fix DB field piwik_log_visit.location_provider too small

* use new plugins updater API

* DB field piwik_log_visit.visit_total_actions too small (#10002)

* fixes #9565 DB field piwik_log_visit.visit_total_actions too small

* change type of some db columns that are too small

* fix tests (#10040)
Conflicts:
	plugins/CoreAdminHome/Menu.php
	plugins/Goals/Menu.php
	plugins/MobileMessaging/Menu.php
	plugins/SitesManager/Menu.php
	plugins/UsersManager/Menu.php
	tests/PHPUnit/System/expected/test_apiGetReportMetadata__API.getWidgetMetadata.xml

* fix more file permissions

* repair more file permissions

* repair more file permissions

* trying to make ui tests work again, the table was missing

* fix some encoding issues

* cross browser fixes and usability improvement

* move back the config icon, need to find a better solution later

* more cross browser fixes

* bugfixes

* fix ui tests

* fix encoding issue

* fix various issues with the ui tests when a test gets aborted

* also skip this visitor log test when aborted

* there were 3 css files that were loaded separately, merge them instead into one css

* forgot to add the actual manifest

* do not add manifest if custom logo is specified

* load font css files first as it was before merging them into big css

* fix link icon was not aligned anymore

* minor fixes

* setting it back to 4px

* in popovers the font variable was always ignored and a different font loaded

* forgot to update screenshots

* fix remaining tests

* this should fix an update error

* added 3 new widgets system check, system summary and plugin updates

* tweak new widgets content

* no page reload when changing date or segment

* in admin home show only enabled widgets

* refs #10295 use getMockBuilder instead of deprecated getMock

* fix some ui tests

* fix various bugs

* fix more tests

* fix ui tests

* add a space between loading image and loading message

* fix docs so they appear on developer.piwik.org

* improved documentation

* introduce new Widget::renderTemplate method for consistency with controllers

* remove no longer needed files

* testing system fonts

* fix strong was not really bold

* more useful system summary

* remove ubuntu font

* fix most tests and removed most em elements

* fix tests

* fix headline was very thin

* update submodule

* update submodules

* update submodule

* fix failing ui tests

* update submodules