fix bugs
add some code
Delete the unused code file
Finished the XMPPAudioMessageObject class file
Merge branch 'message-dev'
Add a define method to add a child element
modified the audio message file
fix some bugs
Changed some code
Merge branch 'master' of https://github.com/Kissnapp/XMPPFramework
Merge branch 'master' of https://github.com/Kissnapp/XMPPFramework
fix bugs
Merge branch 'master' of https://github.com/Kissnapp/XMPPFramework
123
Merge branch 'master' of https://github.com/Kissnapp/XMPPFramework

Conflicts:

XMPPFramework/Extensions/ChatMessageStorage/MessageObject/XMPPExtendMess
ageObject.m
changed name
Merge branch 'master' of https://github.com/Kissnapp/XMPPFramework