feat(annotations): polished up the annotation editor tabs, similar to recent commits for templating editor

fix(templating): updated templating UI and tab behavior, now edit tab is not visible when not actually editing an existing var, fixes #2679

feat(organization): added update org address to http api and to org details settings view, closes #2672

fix(api): Added error handling to create and update org http apis and sql update handlers, now checks for org name taken scenarios and returns correct http error code and message, fixes #2686

fix(elasticsearch): fixed series naming & aliasing when using field for extended_stats and percentiles

Conflicts:
	public/app/plugins/datasource/influxdb/queryCtrl.js

feat(elasticsearch): metric response handling and processsing now supports alias patterns, {{term field name}} and {{metric}} now works, #1034

feat(elasticsearch): extended stats like std deviation now works, and sigma option as well, added unique count (cardinality as well, #1034

feat(elastic_ds): moving time field name to dataasource option, it is no longer specified for each query and date_histogram

feat(elasticsearch): began work on supporting extended stats metric agg, it gives you standard deviation and more

feat(elasticsearch): fields are fetch from mapping instead of docs, you can enter custom value in field options, other fixes, #1034

feat(elasticsearch): worked on percentiles metric aggregator in editor and in elasticsearch response processing

feat(elasticsearch): terms aggregation options are working, things are starting to come together, #1034

feat(elasticsearch): term metric filters are starting to work! like terms aggregation with top 5, order by metric 1 desc, where metric 1 is maybe average of @load