Update Marketplace to work with new API (#10799)

* starting to port marketplace to piwik 3

* updating tests

* fix translation key

* fix various issues

* use material select

* fix plugin upload

* deprecate license_homepage plugin metadata and link to a LICENSE[.md|.txt] file if found (#10756)

* deprecate license_homepage plugin metadata, and link to a LICENSE[.md|.txt] file if found

* Make license view HTML only without menu

* fix tests and update

* fix some links did not work

* we need to show warnings even when plugin is installed, not only when activated. otherwise it is not clear why something is not downloadable

* fix install was not working

* improved responsiveness of marketplace

* fix more tests

* fix search was shown when only a few plugins are there

* fix ui tests

* fix some translations

* fix tests and remove duplicated test