feature #2097: Minor fixes in vmfs tm

(cherry picked from commit d45a053c9843980933df221b92367a9ae94f53b6)
feature #2097: Change datastore mad VMFS paths (and comply with the 80 columns limit) (well, almost)

(cherry picked from commit 47bdf93a4cab21500853256220a671886b8d6239)
feature #2097: Fix paths and remove sudo from TM MAD vmfs

(cherry picked from commit 6620b0a086e6b8c99557cb67811e65df8125027d)
feature #2097: Get DS_LOCATION from cluster when allocating a new DS

(cherry picked from commit 1f699050009c2bf596ee2aa66cc17ee9e71f916a)
feature #2097: Minor fixes

(cherry picked from commit f86a75beeab66352b6654d6a7ee5fe583fb64526)
feature #2097: bug in vmfs rm

(cherry picked from commit 6cc31bbd201c98a0f5dbabc86c6def74acd5a0e9)
feature #2097: add bridge list to rm action

(cherry picked from commit b27fe70a25a0eb5acd039dfe82e7e4c2e510b8fa)
feature #2097: Make DS/TM_USE_SSH not case-sensitive

(cherry picked from commit b11966dc155c7504fd4c34fc2282c3f9c4e8117d)