test and bump version numbers for examples and docs.
Switch to socket.end()
Update History and mailmap.
History tweaks.
Notices and first draft banner.
banner text tweak.
another history tweak.
upgrade docs and examples to 0.6.6

this is premature, as it isn't out yet, but it will be by the time this hits devel
fix bless release script for update getUrl function.
Merge remote-tracking branch 'meteor/release-0.6.6' into win0.6.6