Merge pull request #42 from hack4impact/are-hours-available

"Are hours available?" Feature
Merge pull request #43 from hack4impact/senior-meals

Replaced "Meals On Wheels" category with "Senior Meals"
Adapted JS functions to hide/show unused/used drop-down menus
Updated 'propose resources' view.py target.
Bug fixes for previous commit
Merge branch 'master' of https://github.com/hack4impact/gpcah into senior-meals