(sample) simplify / update sample server
(sample) simplify / update sample client. not at parity
(sample) readd ability to specify userId and userKey. visual tweaks
(sample) readd examples
(sample) suggest npm start for running the server instead
Merge pull request #14 from omsmith/sampleUpdate

Sample update
assume nodejs and provide browser build with browserify
parse url params using url module
use url module to build targetUrl
testling setup