propagate proxy settings to VM, docker container and test run if set
Merge commit 'af54ac61285f28f986144d41fc9faa5d393ed0b3' into develop
Add integration tests for parallel blob sync

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Merge final release for build 2797 to develop
Print blobs downloading outside of progress bar thread

When blobs are so small that download happens faster than progress bar
thread starts user does not see "downloading" message. We want to be
consistent in non-interactive mode.

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Bump agent

Signed-off-by: Maria Shaldibina <mshaldibina@pivotal.io>
Adding final release for build 2798