english syntax fix

Add a comma to clearly separate the two clauses of the conditional sentence.
Otherwise, it's unclear whether it is referring to "the panel below" or
"the panel below the browser".
'list series' instead of 'select * from /.*/ limit 1'

'list series' response is much faster than 'select * from /.*/ limit 1' for the auto-complete option. Especially noticeable on large datasets.
Merge pull request #616 from guequierre/master

'list series' instead of 'select * from /.*/ limit 1'
Merge pull request #615 from lathan/english_syntax

english syntax fix
Merge pull request #11 from grafana/master

Pull in Upstream Changes