Merge branch 'hotfix/1.7.3' into develop

* hotfix/1.7.3:
  Update project to build consistently with the same scripts and also to use git build number.
  Fix issue where installer would say it cannot install on Mavericks because of Message UUID missing.
  Update UUID list.
  Update the UUIDs.
Merge branch 'master' into develop

* master:
  Add the built product
  Add support for DP8
Merge commit '19943c88d0e5c39c9726ac7f67e42328e3bc2c04' into develop

* commit '19943c88d0e5c39c9726ac7f67e42328e3bc2c04':
  Update UUIDs
  Update Mail Plugin Managerfiles.
  Update build scripts with new version setting.
  Update submodules
get develop onto latest UUIDs.
Merge branch 'master' into develop

* master:
  New UUID updates.
  Update the UUIDs
Update UUIDs again.