Planning page for 3.3

[Cantor, Scott]

Per the call today, I went ahead and created a wiki page for the next release [1] so we can start nailing down scope. I also added a road map item for it.

For the time being I just created a Jira macro to pull in a number of issues by hand that represent the big items. I think I'm going to tag the items so I can just query for that tag, and we can tag things we want to track on the page that way.

I used my judgement to call out the biggest work items and add anything I could think of that was missing but we'll probably be in the mode of adding things more than anything else for a while.

-- Scott

[1] https://wiki.shibboleth.net/confluence/display/DEV/IdP33Details