Translation Enablement / Corrections

... some more tr() (LTMTool, LTMSettings)
... 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) (About)