#562 handle null for getContactStatus openpeer-android-sdk/jni/com_openpeer_javaapi_OPConversationThread.cpp
#562 fix wrong return in OPElement.cpp#convertToString
#563 now ComposingStates all handled
#562 handle null return from getContactStatus
#562 handle null return from getContactStatus
remove log noise
Merge branch 'feature-20140730-is-composing' of https://github.com/openpeer/opandroid into feature-20140730-is-composing