[Merge] lp:~nick-dedekind/qtubuntu/menuTheme into lp:qtubuntu

[Nick Dedekind]

> Only 1 thing missed:
> 
> === added file 'src/ubuntuappmenu/menuregistrar.cpp'
> +bool isMirClient() {
> + return qgetenv("QT_QPA_PLATFORM") == "ubuntumirclient";
> +}
> qGuiApp->platformName() would be a safer thing to check.
> 
> You've addressed everything else

Fixed.
-- 
https://code.launchpad.net/~nick-dedekind/qtubuntu/menuTheme/+merge/296997
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