Add version info to Shell5

[cezdro]

Checksum	Version
99e40e9d	2.0 beta 1
ee965ba8	2.0 beta 2
8cc04208	2.0 beta 3
35428eea	2.0
33451595	2.01
6bae7538	2.10 beta 2
966a60a6	2.1

Sorted from the oldest to the most recent.

[jbmorley]

Thank you for taking the time to work through this. I'll have a think about how best to do that in the index.