Remove hard-coded URL
Rename {index => presenter}.static.jade to simplify merging built static files with the listener app ones
Remove `presentationId` argument from API object constructor as it is not used anymore (presentation id is obtained from cookie that was set by http backend)
Re-write `cookie-utils` module in CoffeeScript for consistency
Fix presentation state value
Move require call to impl section
Get rid of global variables; don't wait for page to load before API initialization
Rename API mock module from `api` to `server-api-mock`