[NGRINDER-592] fix content type issue on DavXML
[NGRINDER-592] fix content type issue on DavXML
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-690]  Enhance architecture to provide full REST APIs
[NGRINDER-486]Support agent auto-update

Synch with master branch