* rendering: headless chrome progress
* renderer: minor change
* grpc: version hell
* updated grpc libs
* wip: minor progess
* rendering: new image rendering plugin is starting to work
* feat: now phantomjs works as well and updated alerting to use new rendering service
* refactor: renamed renderer package and service to rendering to make renderer name less confusing (rendering is internal service that handles the renderer plugin now)
* rendering: now render key is passed and render auth is working in plugin mode
* removed unneeded lines from gitignore
* rendering: now plugin mode supports waiting for all panels to complete rendering
* fix: LastSeenAt fix for render calls, was not set which causes a lot of updates to Last Seen at during rendering, this should fix sqlite db locked issues in seen in previous releases
* change: changed render tz url parameter to use proper timezone name as chrome does not handle UTC offset TZ values
* fix: another update to tz param generation
* renderer: added http mode to renderer service, new ini setting [rendering] server_url
Removes moment dependency.
Adds response parser tests (based on frontend tests).
Adds time series query tests (based on frontend tests).
Fixes various issues related to response parsing and building search request queries.
Added support for extended stats metrics and geo hash grid aggregations.
* refactor: tracing service refactoring
* refactor: sqlstore to instance service
* refactor: sqlstore & registory priority
* refactor: sqlstore refactor wip
* sqlstore: progress on getting tests to work again
* sqlstore: progress on refactoring and getting tests working
* sqlstore: connection string fix
* fix: not sure why this test is not working and required changing expires
* fix: updated grafana-cli
* ldap: case-insensitive LDAP group comparison
According to RFC2251 4.1.5, LDAP strings are case-insensitive. Disregard case when comparing group mappings.
* ldap: add test for case-insensitive group mapping
* refactoring: metrics package now follows new service interface & registration
* fix: minor fix, make sure metrics service is imported, by grafana-server
