fixed json rendering issue
added more test cases
added #observe-stop meta; using non-caching ZK client as default
Merge branch 'develop'
added ability to update remove observers for a specific path
using ZK client without cache as default
replacing ${HOST} macro for text and javascript MIME types
fixed p95 stats when summarizing:  was not being calculated
added convenience methods
data attribute name changes in JSON
added ability to stop observing
added support for convenience methods
fixed p95 stats when summarizing:  was not being calculated
fixed rendering errors
added ability to stop observing
updated tests
updated nav bar
assets for working initial version of dashboard
merged from develop