Parallelize barclamp_install to the extent possible. [1/1]

This pull request parallelizes parts of the barclamp install process
to not run unneeded migrations.


 .../development/master/extra/barclamp_install.rb   |  100 +++++++++++++-------
 1 file changed, 66 insertions(+), 34 deletions(-)

Crowbar-Pull-ID: cd20f4d63824c4fc0aee3b0671578697fa243e21

Crowbar-Release: development