Commit 1222341ab50976d3baf37f94a16b014cb475fa87 in isis's branch refs/heads/
ISIS-1291 from Dan Haywood
[ https://git-wip-us.apache.org/repos/asf?p=isis.git;h=1222341 ]
ISIS-1397: bringing applib Interaction and MemberInteractionMementoDto closer into line; to whit...
- renamed mim.xsd to ixn.xsd
- renamed MemberInteractionMementoDto to just InteractionDto (cf applib's Interaction)
- renamed MemberInteractionDto to just InteractionExecutionDto (cf applib's Interaction.Execution)
- moved subExecutions to InteractionExecutionDto