Merge pull request #6 from jonasborjesson/master

Filters
Merge pull request #7 from jonasborjesson/master

ContactHeader and SipUri parsing
Merge pull request #8 from jonasborjesson/master

A lot of new support for jain sip style stuff.
Merge pull request #9 from jonasborjesson/master

Added a save stream method to the SipStream. Changed the pom's to snapshot version. Added some more stats
Merge pull request #10 from jonasborjesson/master

Moving everything under io.pkts
Merge pull request #11 from jonasborjesson/master

More renaming
some more maven stuff
forgot to check in the test resources
added maven config for generating sources and javadoc jars
added convenience methods for fetching time stamps of the first and last message in a stream