Add PageUp/Down to controls

When you press PageUp/Down now you fly up and down.
Fix spacing
Merge pull request #2700 from SydoxX/PageUp/Down

Add PageUp/Down to controls
Merge pull request #2701 from ZappoMan/master

fix switching audio device bug
have scripted assignments added via config be static
remove an extra bracket
Merge pull request #2703 from birarda/master

tweak so scripted assignments passed via config are static
correct re-assignment of static assignments
rename matching static method in DS
Merge pull request #2704 from birarda/master

correct the re-assignment of static assignments
don't make scripts statically assigned
Merge pull request #2705 from birarda/master

don't make scripts statically assigned
fix broken DS build
Merge pull request #2706 from birarda/master

fix broken DS build
Remove printf and replace them by qDebug()
Fix regexp fail
Merge pull request #2708 from Atlante45/replace_printf

Replace printf