Fix reference to sqlite3

sqlite3 is the test/dev database, not MySQL

Change-Id: Ibc18dcdda6ed7eab8b82245e8e9c56cfac40f38e
Closes-Bug: #1239304
Fix formatting

The displayed text was "( ceilometer..." with an extra space, fix it.
Also add a missing closing brace.

Change-Id: I2706ca10bcb6c1c06a6177e2e71603cf2b732bd0
Messaging queue does not access storage

Database is access by the Block Storage Service processes, don't mention
it.

Change-Id: I7db8cfe80eb5c3806eca4a3b6e3d3931acc41e9a
Closes-Bug: #1238548
Merge "Fix formatting"
Merge "Fix reference to sqlite3"