Show the fields in a housing form
Extract housing form field table partial
Add age to the form field dictionary
Focus group testing found "Destroy" too strong a word
Remove in-controller require for 'zip'

Use Gemfile syntax instead.
Highlight unrecognized field names per housing form

value_for_field now returns an UnknownField instance when the field name doesn't
match any known patterns.  Now, we can distinguish between the case where the
field name is unsupported and the case where the applicant needs to supply more
information.
Show recognized and unrecognized fields in separate tables
Merge pull request #116 from jrunningen/master

Show breakdown of form fields in Locations -> Show screen