Merge pull request #14 from brain-murphy/elizabeth

added question up/down voting, additional elements to main view
CreateActivity displays and (maybe) sends data to backend
Merge pull request #15 from brain-murphy/brian

CreateActivity displays and (maybe) sends data to backend
updated main page
Merge branch 'master' of https://github.com/brain-murphy/crowdsurf into elizabeth
fixed api calls by updating util method
Merge pull request #16 from brain-murphy/brian

fixed api calls by updating util method
image
Merge branch 'master' of https://github.com/brain-murphy/crowdsurf into elizabeth
check, question mark images added