add account validation bus and built-in event handler to prevent client certificate reuse across accounts
add cert validation to separate class
Update README.md
rename role to group; add new groups sample; copyright/usings;
Merge branch 'master' of https://github.com/brockallen/BrockAllen.MembershipReboot
more role->group renaming
directory re-org -- fun!
vs project save fail
more work on groups
update UI with more group features
add support for groups in groups
updated sample UI to allow groups in groups
more validation in Init
enhance tracing
cleanup validation exceptions
prevent same event from being added twice to user account event queue
add email events for mobile phone and certificate events
add user account events for claims and linked account changes
add commented email events to MR config