Refactored Insight GUI to accommodate the many changes made to Bloom's internals

Also lots of tidying.

src/Insight/InsightWorker/Tasks/ReadTargetGpioPadStates.cpp

@@ -0,0 +1,21 @@
+#include "ReadTargetGpioPadStates.hpp"
+
+using Services::TargetControllerService;
+
+ReadTargetGpioPadStates::ReadTargetGpioPadStates(const Targets::TargetPadDescriptors& padDescriptors)
+    : padDescriptors(padDescriptors)
+{}
+
+QString ReadTargetGpioPadStates::brief() const {
+    return "Reading target pin states";
+}
+
+TaskGroups ReadTargetGpioPadStates::taskGroups() const {
+    return {
+        TaskGroup::USES_TARGET_CONTROLLER,
+    };
+}
+
+void ReadTargetGpioPadStates::run(TargetControllerService& targetControllerService) {
+    emit this->targetGpioPadStatesRead(targetControllerService.getGpioPadStates(this->padDescriptors));
+}