Merge pull request #41 from aggfr12/master

pledge per week input fixed
testing in progress
client side tests working, server mocks/responses working.
Merge pull request #42 from owen-d/master

client tests working
added authentication, married client-side code with profile page
Merge pull request #43 from sunny-g/master

added authentication, married client-side code with profile page
fixed negative number bug in donation amount for sign up page
undo error