* Improved the appearance of 'SEO Rankings' widget

Improved the design by increasing the SEO logos, increasing the size and line spacing of the font used for the SEO sites and adding  grey lines to the table rows.

*  More spacing and bigger logos andfonts

* close appears when mouse hovers on  exit button 

this is in the visitor profile

* Use translated string for "Close"

changed the circular button into a red square exit button that is used consistently throughout the website

* Update main.less

* Update visitor_profile.less

* Update visitorProfile.js

* Update getVisitorProfilePopup.twig

* Update getSingleVisitSummary.twig

* UI tests update tag cloud + new icon

* And one more

* Making Visitor log look better + Fix alignment profile

* More tweaks

* UI tests

* Neutral gender copy in product
fixes #10753

* Neutral gender copy in product
fixes #10753

* System tests

* System tests

* Fixes #11197

The 'while' loop was causing a memory leak, replaced with an 'if' to match the correct functionality.

* Removed blank lines.

* Add back while loop and added an extra condition to prevent infinite loop.

Display original error that triggered a failure message "Piwik is already installed" for easier troubleshooting (#11209)

* Update notification dropdown not usable #11111

Patched

* modifed cursor on hover to make it appear not a link for the updated button (when update avalible)

* fixed update button so that cursor is shown relevant to what action can be done
update also fixed so it works on dashboard not just the admin home section

* Colour and Size changes to tag cloud

Made the tag cloud visualisation more beautiful and useful.

* Overlapping and padding changes to Tag Cloud

Changes padding and white space styles to the tag cloud to take away overlapping.

* Removing overlapping of span in the Tag Cloud

Added css style of display: inline-block to stop span overlapping in chrome.

* Fix expected test message

* And the system test in https://github.com/piwik/piwik/pull/11210

* fixes #2321 when tracking request is > 2000 char, prefer POST

* Fix jslint

* Update notification dropdown not usable #11111

Patched

* modifed cursor on hover to make it appear not a link for the updated button (when update avalible)

specify max-width for images in Marketplace modals

* fixed icon size for SEO plugin

* higher resolution globe icon

Fix typo in example report

Update composer libraries to latest version

* Fix MySQLi system test

* Restoring one .to.be.skippedOnAbort();

Updating dependencies (including require-dev)
  - Removing twig/twig (v1.25.0)
  - Installing twig/twig (v1.30.0)
    Downloading: 100%

  - Removing psr/log (1.0.1)
  - Installing psr/log (1.0.2)
    Downloading: 100%

  - Removing monolog/monolog (1.21.0)
  - Installing monolog/monolog (1.22.0)
    Downloading: 100%

  - Removing sebastian/comparator (1.2.0)
  - Installing sebastian/comparator (1.2.2)
    Downloading: 100%

  - Removing phpunit/php-file-iterator (1.4.1)
  - Installing phpunit/php-file-iterator (1.4.2)
    Downloading: 100%

  - Removing phpunit/php-token-stream (1.4.8)
  - Installing phpunit/php-token-stream (1.4.9)
    Downloading: 100%

  - Removing webmozart/assert (1.1.0)
  - Installing webmozart/assert (1.2.0)
    Downloading: 100%

  - Removing phpdocumentor/type-resolver (0.2)
  - Installing phpdocumentor/type-resolver (0.2.1)
    Downloading: 100%

  - Removing phpdocumentor/reflection-docblock (3.1.0)
  - Installing phpdocumentor/reflection-docblock (3.1.1)
    Downloading: 100%

  - Removing phpspec/prophecy (v1.6.1)
  - Installing phpspec/prophecy (v1.6.2)
    Downloading: 100%

  - Removing phpunit/phpunit (4.8.28)
  - Installing phpunit/phpunit (4.8.31)
    Downloading: 100%

  - Removing doctrine/cache (v1.6.0)
  - Installing doctrine/cache (v1.6.1)
    Downloading: 100%

* Updating piwik/referrer-spam-blacklist (1.0.11) and piwik/piwik-php-tracker (1.1.0)

* Update submodules

* Fix build

* fix random bug in build when generated pageview id is a scientific notation number/string

* allow plugin to decide to archive without visits
* Respect new shouldRunWithoutVisits method of plugin archivers in CronArchiver
* renames method and updates doc