This makes the following changes:
- Improve CountryDropdown by allowing all countries to be displayed at once and using PNGs for performance (trading of quality - the pngs are scaled down from 32px to 25px)
- "I want to sign in with" dropdown to select login method
- MXID login field that suffixes HS domain (whether custom or matrix.org) and prefixes "@"
- Email field which is secretly the same as the username field but with a different placeholder
- No more login flickering when changing ServerConfig (!) fixes https://github.com/vector-im/riot-web/issues/1517
This implements most of the design in https://github.com/vector-im/riot-web/issues/3524 but neglects the phone number login:
![login_with_msisdn](https://cloud.githubusercontent.com/assets/1922197/24864469/30a921fc-1dfc-11e7-95d1-76f619da1402.png)
This will be updated in another PR to implement desired things:
- Country code visible once a country has been selected (propbably but as a prefix to the phone number input box.
- Use square flags
- Move CountryDropdown above phone input and make it show the full country name when not expanded
- Auto-select country based on IP
1) custom HS/IS urls are now persisted in HTML5 local storage. As a result, all the login components now distinguish between default HS/IS URLs and custom specified ones again. (
2) custom HS/IS urls are synchronised between the instances of ServerConfig found in the Login, Registration and Forgot Password screens.
3) username are persisted over changing homeserver (but not password, to stop accidentally leaking passwords to the wrong server)
4) correctly interpret a blank URL field as meaning the placeholder text
5) when toggling custom URLs on and off, remember what the custom values were, and use the default URLs if custom mode is not engaged
also, guest access now upholds custom HS/IS URLs found in local storage rather than being limited to the server config ()
also adds assorted comments and improved console debug and a few minor cosmetic changes to the login components.
this commit sponsored by VS27...