PROTON-642 - Stubbed the sasl feature in Java so the tests will pass.
Hat tip - Robbie Gemmell for providing the patch


git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1616298 13f79535-47bb-0310-9956-ffa450edef68
added missing TRACE_OFF level

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1616526 13f79535-47bb-0310-9956-ffa450edef68
added simple trace API to proton-j

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1616527 13f79535-47bb-0310-9956-ffa450edef68
NO-JIRA: Set default build type to RelWithDebInfo.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1617300 13f79535-47bb-0310-9956-ffa450edef68
PROTON-611: Don't allocate frame_max bytes immediately, grow by factors of 2 until
you get to the max - else a large frame size can blow away 4Gb of memory!

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1617376 13f79535-47bb-0310-9956-ffa450edef68
NO-JIRA: Remove unused struct members

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1617378 13f79535-47bb-0310-9956-ffa450edef68
Initial refactoring of io layers:
- Eliminate some unnecessary stuff.
- Make pn_io_layer_t a pure interface.