add trace and traces css
add bootstrap-datepicker js
add zipkin-home controller
register zipkin home route
add bootstrap-datepicker for zipkin
zipkin home controller
trace and traces css files for zipkin
zipkin home html
use default value in date-input and time-input
and use bootstrap-datepicker to update date-input
some data for developing
use api to get trace summaries
use ng-model to bind data to html
use ng-click to get zipkin service span and so on
an usable controller for zipkin
add jQuery-timeago
move timeago class for time tag
change timestamp to timeago for zipkin ui
add jQuery-timeago lib
delete hard code and use ApiBaseUrl to instead of it
merge from origin/master
fix bug
new page for zipkin trace ui