add message resource, message verb, and body, media nouns
add partial media resource support
add support for working with media from a message
add support for the image resource. add javadocs.
fix syntax bugs
sip domain resource
ip access control list resource
fix constructors
add address resource
ip access control list mapping resource
credential list resource
credential resource
bug fixes
MediaInstance -> Media
support delete for media
add delete support to Transcriptions
remove create methods for media and images
apply misc fixes from review
move date parsing to InstanceResource
remove factory classes since you can't create these resources