Revert "JCLOUDS-69: Correcting Keystone feature description"

This reverts commit 0aada6623d49b60ccf23592c98cefd218579a684.
Reason: Commit message refers to the wrong issue
JCLOUDS-68: Correcting Keystone feature description
Submitted by Tang Yong

Replay of 0aada66 with corrected commit message