[MOB - 5873] - Public getters for Email UserID and Auth

_email, _userID and _authToken to accessible by developers. :)

Author: “Akshay

iterableapi/src/main/java/com/iterable/iterableapi/IterableApi.java

@@ -68,15 +68,15 @@ public void execute(@Nullable String data) {
         });
     }
 
-    String getEmail() {
+    public String getEmail() {
         return _email;
     }
 
-    String getUserId() {
+    public String getUserId() {
         return _userId;
     }
 
-    String getAuthToken() {
+    public String getAuthToken() {
         return _authToken;
     }