Remove unnecessary @synthesize declaration.

We don’t need those since Xcode4.4(isn).
Fix segue name.
Partial implementation of facilities sections except restrooms.

Still using a single value instead of finding the nearest one.
Merge remote-tracking branch 'origin/master'
Comment update.

Remind myself why I use another property instead of just setting the
text field.
Segue preperation.

Haven’t fully implemented them yet, but this code sets the segue up.