Clarify error message.

Elasticsearch will throw a 404 if there is no indexes added yet, resulting in
this unclear message -- even for people that are not using any sort of proxy.

This message update should make it easier to quickly troubleshoot why the
the dialogue is popping up.

Moved dash controller to navbar. Settings for it to dashboard settings.

Templated and scriptable dashboard options

Made logstash.js look more like logstash.json. Added info notice for lack of failover and time filter

Removed extra ">" in tooltip

Switched settings panels to use tip directive

Tooltip series identifier

Added a checkbox to the tooltip's settings that will cause the query to be displayed in the case an alias is not set.

added tip directive for defining question mark tooltips

Tooltip stacked values separation option

added a tooltip settings section to the histogram settings editor. Currently the only setting defines which value is displayed on stacked charts.

Duplicate alerts should not stack up

Allow users to delete the last unpinned query as long as there are pinned queries

queries, rather than just checking for other unpinned queries.

Added clickable urls to table row details view

when the query is not aliased.

kbn.query_color_dot() shouldn't use border-radius

Zero filled ts

Zero-filling will now happen any time there is more than one query being plotted, even if that there is only one data point
in the series.

moved the adition of the start and end time of the series after the reduce function checks each data point from elastic search. This whould resolve #422