[openid/OpenYOLO-Android] 8e3d22: Documentation pass on API module. (#91)

[David]

Branch: refs/heads/master
Home: https://github.com/openid/OpenYOLO-Android
Commit: 8e3d22f9db18b7b3cbfe3080f456d3c24220b5c8
https://github.com/openid/OpenYOLO-Android/commit/8e3d22f9db18b7b3cbfe3080f456d3c24220b5c8
Author: David (@dxslly) <david...@gmail.com>
Date: 2017-09-26 (Tue, 26 Sep 2017)

Changed paths:
A api/README.md
M api/java/org/openyolo/api/CredentialClient.java
M api/java/org/openyolo/api/CredentialClientOptions.java
R api/java/org/openyolo/api/ResultCallback.java
R api/java/org/openyolo/api/RetrieveCallback.java
M api/javatests/org/openyolo/api/CredentialClientTest.java
M demoapps/passwordlogin/java/org/openyolo/demoapp/passwordlogin/LoginViewModel.java
M protocol/java/org/openyolo/protocol/CredentialDeleteRequest.java
M protocol/java/org/openyolo/protocol/HintRetrieveRequest.java
M protocol/javatests/org/openyolo/protocol/HintRetrieveRequestTest.java

Log Message:
-----------
Documentation pass on API module. (#91)