Merge pull request #62 from codylerum/add_statuses

add missing options to SignatureStatus

Author: Chris Paul

src/main/java/com/hellosign/sdk/resource/support/types/SignatureStatus.java

@@ -25,5 +25,13 @@
  */
 
 public enum SignatureStatus {
-    awaiting_signature, signed, on_hold, declined
+    success,
+    on_hold,
+    signed,
+    awaiting_signature,
+    declined,
+    error_unknown,
+    error_file,
+    error_component_position,
+    error_text_tag
 }