Added this class provides a way to marhsal the osdspec to a xml string.
It is also used in order to investigate other possible(maybe more
optimal) ways to achieve this.
updated in order to use the new MarshalOSDspecUtils class
updated in order to use the new MarshallOSDspecClass
Updated in order to use the new MarshallOSDspecUtils class
minor changes
Merge branch 'ait-sensap-develop' of https://github.com/OpenIotOrg/openiot.git into ait-sensap-develop