[NEW] REST API endpoint `rooms.favorite` to favorite and unfavorite rooms

[FIX] Wrong positioning of popover when using RTL languages

[FIX] Messages was grouping wrong some times when server is slow

[FIX] GitLab authentication scope was too open, reduced to read only access

* Fix renaming agent's username within departments when an user's username has changed.

* Fix property shorthand.

[FIX] Missing RocketApps input types

* Fix desktop notifications when agent has not focussed the browser.

* Fix trailing spaces.

Change Docker-Compose to use mmapv1 storage engine for mongo

[NEW] Add internal API to handle room announcements

[FIX] Autocomplete list when inviting a user was partial hidden

[FIX] Remove a user from the user's list when creating a new channel removes the wrong user

[FIX] Room's name was cutting instead of having ellipses on sidebar

* Add some missing translations

* Add sv and pt-br translations

[NEW] Add message preview when quoting another message

[FIX] Button to delete rooms by the owners wasn't appearing

[NEW] Prevent the browser to autocomplete some setting fields

[NEW] Shows user's real name on autocomplete popup

Special thanks to @tttt-conan and @TDiNguyen for improving these translations.

[BREAK] The property "settings" is no longer available to regular users via rest api

* Updated template to use ROCKETCHAT_IMAGE

The template now uses ROCKETCHAT_IMAGE as a parameter with rocketchat/rocket.chat as a default

Use Node 8.9 for CI build

Fix incoming integrations being able to trigger a new message with a GET if there is no script enabled (#9576)

Remove @core team mention from Pull Request template

[FIX] Snaps installations are breaking on avatar requests

New issue template for *Release Process*

Master into Develop Branch Sync

Release 0.63.1

[FIX] fixing deprecated Meteor._reload.reload method

[FIX] Snaps crashing due to Node v8.11.1 Segfault

[FIX] Add '.value' in the SAML package to fix TypeErrors on SAML token validation