Enchanced profile management (#68)

* Proof of concept of adding 3PIDs data to user profile
* Document reverse proxy apache config
* Support for Matrix Gateway project roles' endpoint
* Fix conflicting ThreePid object defined in SDK and mxisd projects

src/main/java/io/kamax/mxisd/auth/AuthManager.java

@@ -21,8 +21,8 @@
 package io.kamax.mxisd.auth;
 
 import io.kamax.matrix.MatrixID;
+import io.kamax.matrix.ThreePid;
 import io.kamax.matrix._MatrixID;
-import io.kamax.mxisd.ThreePid;
 import io.kamax.mxisd.UserIdType;
 import io.kamax.mxisd.auth.provider.AuthenticatorProvider;
 import io.kamax.mxisd.auth.provider.BackendAuthResult;