Removed birthdate validation for adults

I'm sure I just needed parens or something, but I had to flip the order
of the OR clauses in order for the parents to be excluded from the
birthdate check.

I also updated the message to reflect "each child" needs a birthdate
instead of "every person".
Merge pull request #117 from churchio/checkin-family

Removed birthdate validation for adults
Show formatted time on syncs listing.
Tweak admin dashboard UI.
Install Passenger 3.0.21 for Vagrant.
Add new config for Capistrano 3.x
Attempt to fix ascii bug when running rake tasks.
Fix encoding problem in application helper.
Make it a class method.
Set example cap deploy env.
Ignore actual cap deploy env.
Remove migrations rake tasks.
Fix settings stuff.
Update instructions to ensure db is utf8.
Link some directories on deploy.
Don't mark emails changed for this migration.
Don't need db/photos and db/attachments.

Those are no longer used. Everything goes in public/system now.
Remove exception notification config for now.

Seems to be totally busted.
Add New Relic gem.
Add newrelic config stuff.