fix overflowing content in challenge message list
install fullcalendarjs, still need to install momentjs
Merge branch 'master' of https://github.com/mjminc/project2
a little cleanup on user validation
install momentjs cuz fullcalendarjs requires it
add empty calendar and toggle open transitions to challenge show, click progress bar to open calendar
Merge pull request #14 from marklc44/master

a little cleanup on user validations