Added EBS Volumes Tagging
Added EBS Volumes Tagging with modification
Merge pull request #1751 from edx/arbab/ebs-tagging

Added EBS Volumes Tagging
Aadding the information to the AUTHORS file
Aadding the information to the AUTHORS file
Merge pull request #1754 from edx/arbab/info

Arbab/info
Work for mounting currently detached volumes and inspecting them to tag them.
Merge pull request #1749 from edx/feanil/tag_old_ebs_vols

Work for mounting currently detached volumes and inspecting them to tag them.
Install and use pip-accel for jenkins workers
TE-593