Merge branch 'shared_tooltip' of https://github.com/connection-reset/grafana into connection-reset-shared_tooltip

* Only take bar series to calculate barWidth

solves #6751

* Typo

* Typo

* Typo

* Typo

* Refactor

* Simplify

* (cloudwatch) don't expand variable when panel or row repeat is used

* fix test

* support extended statistics

* handle different response format for extended statistics

fix(logging): added extra logging when default config file is not found (ie homepath is not correct), fixes #6829

fix(rendering): minor fix for server side rendering when using non default http addr setting and non default domain setting, #6813

Phantomjs is always rendering login page because domain is not considered. According to http://phantomjs.org/api/webpage/method/add-cookie.html a correct domain must be passed. Probably this change is now necessary due to https://github.com/grafana/grafana/issues/6660

closes #6822

closes #6822

close #6807

Use space to separate multiple modes

close #6807