Revert "Update to config.ini and OSX emulator to start new version of Paho client."

This reverts commit 34f34fc2b5fd1d2e06911b96e707534dd6c8c06d.
Revert "Update to Paho 1.0.0."

This reverts commit 1886a7cab0f99b5d3247792e6f3fabc4b817f350.
Merge branch 'develop' of https://github.com/eclipse/kura into develop