Release 0.7-1.2

  * Fixed various lintian error messages.
Qpid Proton 0.7-2

 * Updated the license to be GPLv3.
Qpid Proton 0.7-3

 *  Renamed libqpid-proton2-dev package to libqpid-proton-dev.
Updated release names to be "trusty".