Translation Enablement / Corrections

... some more tr() (LTMTool, LTMSetting)
... for Lx/Hx in Time and unit "seconds" translation not working in
constructor, therefore moved to "initialization" for both HR and Power
(similar to the translated metric names) (HrTimeInZone, TimeInZone)
... in RC2 - Windows (name with "umlaut") not displayed in official
build (adjusted to be handled like the one name with umlauts already
defined)
Merge pull request #971 from Joern-R/pull2

Translation Enablement / Corrections