Pre-lunch commit of help files to be integrated in Zimlet.
Integrating User Help page into Zimlet.
removing about css
change readme
Adding link to the user manual.
Merge branch 'master' into store-private-key-passphrase-locally

Conflicts:
	tk_barrydegraaff_zimbra_openpgp/tk_barrydegraaff_zimbra_openpgp.xml