Move KeyAddrEventQueue class from Qukeys to Kaleidoscope core

It's now being used by more than one plugin, and is likely to get used by at
least a third, if not more.

Signed-off-by: Michael Richters <gedankenexperimenter@gmail.com>

plugins/Kaleidoscope-Qukeys/src/kaleidoscope/plugin/Qukeys.h

@@ -20,7 +20,7 @@
 
 #include "kaleidoscope/Runtime.h"
 #include <Kaleidoscope-Ranges.h>
-#include "kaleidoscope/plugin/Qukeys/KeyAddrEventQueue.h"
+#include "kaleidoscope/KeyAddrEventQueue.h"
 
 // DualUse Key definitions for Qukeys in the keymap
 #define MT(mod, key) Key(                                               \

plugins/Kaleidoscope-TapDance/src/kaleidoscope/plugin/TapDance.h

@@ -20,7 +20,7 @@
 #include "kaleidoscope/Runtime.h"
 #include "kaleidoscope/LiveKeys.h"
 #include <Kaleidoscope-Ranges.h>
-#include "kaleidoscope/plugin/Qukeys/KeyAddrEventQueue.h"
+#include "kaleidoscope/KeyAddrEventQueue.h"
 
 #define TD(n) Key(kaleidoscope::ranges::TD_FIRST + n)
 

src/kaleidoscope/KeyAddrEventQueue.h

@@ -25,7 +25,6 @@
 #include "kaleidoscope/keyswitch_state.h"
 
 namespace kaleidoscope {
-namespace plugin {
 
 // This class defines a keyswitch event queue that stores both press and release
 // events, recording the key address, a timestamp, and the keyswitch state
@@ -125,5 +124,4 @@ class KeyAddrEventQueue {
   }
 };
 
-}  // namespace plugin
 }  // namespace kaleidoscope