ARELLE-330, versioning issues
1) @isDefaultMember removed from REC spec
2) aspectModelChanges fromAspects concept had the to-concept Qname.
3) versioning report comment specifying Arelle version suggested.
Also added time at which versioning report file was generated.
Merge branch 'master' of https://github.com/Arelle/Arelle
[FIX]align right empty cells if they should contain a numeric value.
[FIX]GUI interface: after saving a table and navigating to another table, display correctly the newly saved facts.