more ci pipeline refactors

* Moved bosh releases to their own subfolder in ci pipeline bucket
* Added ci system micro for all infrastructures using pipeline
Fix CI
fix typo
Adding powerdns adapter map for mysql2
aws system micro needs light stemcell

Signed-off-by: Sean Sweda <ssweda@pivotallabs.com>
change file names for openstack stemcells

Signed-off-by: Sean Sweda <ssweda@pivotallabs.com>
Reapply fix typo
update stemcell path in pipeline

  * create copy of each stemcell in pipeline bucket as latest
  * remove code that attempts to parse version number and create latest sym link

Signed-off-by: Alex Jackson <ajackson@pivotallabs.com>
Fix s3 pipeline copy of light stemcells

Signed-off-by: Alex Jackson <ajackson@pivotallabs.com>
update promotion of gems to artifact bucket

Signed-off-by: Alex Jackson <ajackson@pivotallabs.com>