Switched most http calls over to restclient.
Switched most http calls over to restclient.

tangosource/pivotal-tracker,amitree/pivotal-tracker,cocktail-io/pivotal-tracker,jasonnoble/pivotal-tracker,JunichiIto/pivotal-tracker,averell23/pivotal-tracker,hannahhoward/pivotal-tracker,jamescook/pivotal-tracker,jsmestad/pivotal-tracker