Luke Barnard 34ed4f4206 Implement username availability checker ... Outlined here: https://github.com/vector-im/riot-web/issues/3605#issuecomment-298679388 ```HTTP GET /_matrix/.../register/available { "username": "desiredlocalpart123" } ``` If available, the response looks like ```HTTP HTTP/1.1 200 OK { "available": true } ``` Otherwise, ```HTTP HTTP/1.1 429 { "errcode": "M_LIMIT_EXCEEDED", "error": "Too Many Requests", "retry_after_ms": 2000 } ``` or ```HTTP HTTP/1.1 400 { "errcode": "M_USER_IN_USE", "error": "User ID already taken." } ``` or ```HTTP HTTP/1.1 400 { "errcode": "M_INVALID_USERNAME", "error": "Some reason for username being invalid" } ```		2017-05-03 12:04:12 +01:00
..
client	Implement username availability checker	2017-05-03 12:04:12 +01:00
key	Fix code for reporting old verify keys in synapse	2017-04-24 18:51:25 +01:00
media	Address review comments	2017-03-14 14:15:37 +00:00
__init__.py	Finish implementing RM endpoint	2017-04-11 15:01:39 +01:00