Default groupby selection for influxdb is escaped not like a regex, but as a glob. It works fine with one value in variable, but when you select multiple values, query is incorrect:
> SHOW TAG KEYS FROM "os.disk.fs.space_total" WHERE "host" =~ /{host-1,host-2}$/

closes #4326

closes #4325

#4258 Implemented GetDataSourceIdByName API

Update ldap.md

fix to use variable.refresh flag

Added clearer language on which versions offer LDAP support.

Merge branch 'refresh_temp_value_by_time_range_changes' of https://github.com/mtanda/grafana into mtanda-refresh_temp_value_by_time_range_changes

add annotations for opentsdb

Minor nav fix

Fixed some typos in docs