Revert "Revert Berksfile.lock to JSON format"
Revert "Revert Berksfile.lock to JSON format"

This reverts commit 4b31f2820aec7367d23361597754bf38d9cd5e1b.

Signed-off-by: Phan Le <f2c5995718b197bbd6f63c99e8aab6ee2af1c495@pivotallabs.com>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh