Merge pull request #15 from dcofer44/master

Added basics for petition app
add form validation -- regex for rent val. needs work
Merge branch 'master' of https://github.com/ggc-itec/ggc-talk
added form validation, and other miscellaneous
Merge pull request #19 from jcampbe6/master

minor changes in form validation and model save logic in HousingController
Merge branch 'master' of https://github.com/ggc-itec/ggc-talk