* Update rails to version 5.0.3

* Update aws-sdk to version 2.9.17

* Update capistrano to version 3.8.1

* Update climate_control to version 0.2.0

* Update debug_inspector to version 0.0.3

* Update et-orbi to version 1.0.4

* Update oj to version 3.0.7

* Update microformats2 to version 2.9.0

* Update lograge to version 0.5.1

* Clean up usage of Microformats2 object to remove deprecation warnings

* Update microformats2 to version 3.0.1

* Remove react-rails gem

* Fix broken view spec

* add og:url to stream_item view

* add og:url and text to about/show

* add og:url to profile, followers and follows pages

Create MediaAttachment but without actual file download when domain is blocked with reject_media set to true
Clean up old media files when creating a new domain block with reject_media set to true
Return remote_url in media attachments API if local file is not present
Undo domain block action in admin UI
Ability to enable reject_media from admin UI

* Add option to disable verify partial doubles

* Add show_landing_strip? helper method

* Use show_landing_strip? helper in accounts and stream entries views

* Fix naming in view specs

* Correct site_contact_email typo

* Separate about more page into partials, add specs

as suggested, moving to view tests rather than a controller test
replaces https://github.com/tootsuite/mastodon/pull/1786 which i will
close momentary