Explicitly set format timezone, for formatting query parameters
Updated EventWebServiceTest usage of getIso8601Date
Merge pull request #14 from jmfee-usgs/timezone_on_date_format

Explicitly set format timezone, for formatting query parameters
Changed JsonEvent to extend JsonObject instead of wrap
Changed EventWebService date format to final
Merge pull request #15 from jmfee-usgs/event_extend_object

Event extend object
Removed redundant check for null value.
Created unit tests for JsonUtil class.
Added more tests to JsonEventTest.java
Added tests for UrlUtil class.
Added unit tests for equality checking in EventId.
Moved sample detail and summary data files.
Added tests for EventWebService class.
Added testes for UrlUtil class.
Merged differences for UrlUtilTest.java files.