solve https://github.com/eleme/node-bell/issues/22
add a simple spinner
change default timer field: {timer.mean} => {timer.upper_90}
rebuildt analyzer issue-28
change sort
still using the default colors
stop option
add trending to default hipchat alerter
Merge branch 'issue-28' into dev

* issue-28:
  add trending to default hipchat alerter
  stop option
  still using the default colors
  change sort
  rebuildt analyzer issue-28
  change default timer field: {timer.mean} => {timer.upper_90}
  add a simple spinner
  solve https://github.com/eleme/node-bell/issues/22