Create tk_barrydegraaff_zimbra_openpgp.properties

Created a main file for properties.
Update tk_barrydegraaff_zimbra_openpgp.xml

Added support for translations.
Update tk_barrydegraaff_zimbra_openpgp.properties
Merge branch 'master' of https://github.com/Veidit/pgp-zimlet into Veidit-master

Conflicts:
	tk_barrydegraaff_zimbra_openpgp/tk_barrydegraaff_zimbra_openpgp.xml
Merge branch 'Veidit-master'