Extend with the new ClearSnapshot
Merge branch 'master' of https://github.com/Weswit/Lightstreamer-lib-node-adapter
Extend with the new ClearSnapshot (revise versioning)

The compatibility with the A.R.I. mentions a version still to be
released at the commit time.
The compatibility with the current A.R.I. version remains, as long as
the new method is not used.
update architecture image
Merge branch 'master' of https://github.com/Weswit/Lightstreamer-lib-node-adapter
Merge branch 'master' of https://github.com/Weswit/Lightstreamer-lib-node-adapter into versioning-1.0

Conflicts:
	README.md
increase versioning in README.md