Add a `lsb_release` route to `dora.rb`
Add a `lsb_release` route to `dora.rb`

which will display the output from `lsb_release --all`.
This is useful for inspecting how the rootfs self-identifies.

matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests