Integrate bar taskqueue into eventloop (#2510)

* Remove DEBUG_SHADED

Was disabled by default AND behind an #if 0

* Make TimerHandle expose more libuv functions

* Prepare for moving double clicks into eventloop

* Make eventloop available to bar

* Remove bar mutex

Everything in the bar is now in the same thread

* Move double-click handling to eventloop

* Extract double click deferred function into method

* Stop throttling clicks

* Increase double click interval to 400 and add option

double-click-interval in the bar section

Closes #1441

* Implement dimming using timer handles

* Remove taskqueue

* Remove unused dependencies

* Cleanup & Comments

src/main.cpp

@@ -127,7 +127,8 @@ int main(int argc, char** argv) {
       return EXIT_SUCCESS;
     }
     if (cli->has("print-wmname")) {
-      printf("%s\n", bar::make(true)->settings().wmname.c_str());
+      eventloop loop{};
+      printf("%s\n", bar::make(loop, true)->settings().wmname.c_str());
       return EXIT_SUCCESS;
     }