PROTON-478: added an explicit SETTLED status

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1551950 13f79535-47bb-0310-9956-ffa450edef68
added async examples

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1551951 13f79535-47bb-0310-9956-ffa450edef68
PROTON-479: Added PENDING status to Ruby Trackers

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1551983 13f79535-47bb-0310-9956-ffa450edef68
PROTON-480: Added Tracker status values to Perl bindings.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1551984 13f79535-47bb-0310-9956-ffa450edef68
PROTON-479: Fixed typo in status

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1552000 13f79535-47bb-0310-9956-ffa450edef68
PROTON-481: add accessor for link name

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1552098 13f79535-47bb-0310-9956-ffa450edef68