Code to check registry for Power Button user choice.

[gbjbaanb]

Updated to read the registry and enable or disable the appropriate power menu buttons for lock, sleep and hibernate according to what the user has checked in control panel.

[AppVeyorBot]

✅ Build Open-Shell-Menu 4.4.136-ooxjnbly completed (commit 8f0add9a3b by @gbjbaanb)

[AppVeyorBot]

✅ Build Open-Shell-Menu 4.4.136-alenkrsh completed (commit 14b92f10f4 by @gbjbaanb)

[ge0rdi]

Please amend those fixes into main commit.
You can then push commit using git push -f.

[ge0rdi]

@gbjbaanb
You can also add line Fixes #173 to commit message.
So that the issue will be automatically closed once we'll merge this PR.

[ge0rdi]

@gbjbaanb
Nwm, I can do both things on my own.