Fix typo (password strenght -> password strength)

The range checking in _getPeriod appeared to be using a different variable than the period that had just been calculated for its bounds checks.

ref #6523

feat(alertlist): make it possible to filter on alerts from current da…

trying to reduce the amounts of moving parts for influxdb

[Influxdb] Backend support for seriename alias

fix(graph): fixed issue log base scale on right y axis, option was not applied at all, also issue with log scale and max value calculation fixed, fixes #6534

tls/cipher fixes
https://github.com/golang/go/issues?q=milestone%3AGo1.7.3

ref #6523

* Correct timeStep in case of missing values

* Comment

closes #6531

ref #6510

ref #6510