Feature/enhance hipchat card

Fix spelling on 404 page.

(prometheus) support label name/value completion

Add Norwegian Krone currency

Adding the other kr currencies not to offend any maintainers

See http://www.xe.com/symbols.php for currency symbols reference

Prometheus: Rework interval and step computation

Add milliseconds format in table panel's config

Update script to make it use OpsGenie's REST API

This changes introduce milliseconds format option in table panel
config GUI. Current grafana support milliseconds in time and
actually used at graph panel, however current table does not
provide the way to show milliseconds. This fix is to add format
in table panel to show milliseconds in table as well as graph.

Use default state message if no message is provided by the user
Slice attribute name to maximum of 50 chars

adding support for token-based slack file.upload API call for posting images to slack

* colorpicker: initial picker with predefined palette and spectrum

* colorpicker: highlight selected color

* colorpicker: add onChange() callback

* colorpicker: replace singlestat picker by new one

* colorpicker: style tweak

* colorpicker: parse color on input blur

* colorpicker: sort palette by hue and lightness

* colorpicker: refactor, move colors sorting to 'app/core/utils/colors'

* tech: colorpicker - fix linter errors

* colorpicker: convert to React components

* colorpicker: fix spectrum import after moving to webpack

* colorpicker: minor refactor

* colorpicker: initial series color picker

* colorpicker: fix tests error