Merge 4.19.0 into master (#3357)

* Merge beta into master (#2621)

* Sync develop on master (#275)

* Create LICENSE

* Sync master (#721)

* Merge 1.13.0 into Master (#936)

* fix last messages (#239)

* fix last messages

* Room actions (#231)

* Layout


* Empty starred list


* Favorite room

* Pinned messages

* fix last messages

* fix date on pinned messages

* fix package

* [NEW] OAuth (#241)

* Layout

* tmp

* test iscordova

* Webview redirecting

* Open and Close login actions

* Login services saved on redux

* OAuth Github

* Server regex fix

* OAuth modal style

* - Twitter login
- Remove services from redux
- Open login saga fix

* - Facebook login
- Fixed user agent
- Reactions fix
- Message url unique key fix

* Google login

* Email keyboard removed from messagebox

* - Login buttons refactored
- RoomList header

* Layout improvements

* Meteor login redirect_uri changed

* fix

* Random credentialToken state
...