Add O.Cret.Chers.13 (E518) text and translation.

 - Update English Translation
 - Add O.Cret.Chers.13 (E518) text and translation.

Signed-off-by: Joshua D. Sosin <joshuad.sosin@gmail.com>
Signed-off-by: James Cowey <james.cowey@urz.uni-heidelberg.de>
Signed-off-by: Rodney Ast <simoeis@gmail.com>
Signed-off-by: Paul Heilporn <paul.heilporn@unistra.fr>
Signed-off-by: Cisca Hoogendijk <ciscahoogendijk@live.nl>
Signed-off-by: Mark Depauw <mark.depauw@arts.kuleuven.be>
Signed-off-by: Alain Delattre <adelattr@ulb.ac.be>
Update revisionDesc

 - Vote - HGVAccept - Translations added in the wrong place. Remove them. (James Cowey)
 - Finalized - Ready. (James Cowey)