Update for 0.14.2
Improve text for English readers

It's mostly small things, however there's one important change:
"ONE-Huge Storage" was changed to "Massive Cloud Storage", which
is more what English users would call it. Then below is explained
that a LeoFS cluster is a single huge entity.
Merge pull request #1 from essen/develop

Improve text for English readers
Merge branch 'release/0.14.2'