Add Plugin version to server info

Signed-off-by: Paul de Wouters <paul@hmn.md>
Couple of line breaks missing

Signed-off-by: Paul de Wouters <paul@hmn.md>
Merge branch 'master' into pass-bwp-version-intercom-420

Signed-off-by: Paul de Wouters <paul@hmn.md>

Conflicts:
	classes/class-requirements.php
Merge pull request #420 from humanmade/pass-bwp-version-intercom-420

Pass the BackUpWordPress plugin version to support