Added Daybreak, a system updater homebrew (#1073)

* Implemented a system updater homebrew (titled Daybreak)

* git subrepo pull ./troposphere/daybreak/nanovg

subrepo:
  subdir:   "troposphere/daybreak/nanovg"
  merged:   "c197ba2f"
upstream:
  origin:   "https://github.com/Adubbz/nanovg-deko.git"
  branch:   "master"
  commit:   "c197ba2f"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???" (+1 squashed commits)

Squashed commits:

[232dc943] git subrepo clone https://github.com/Adubbz/nanovg-deko.git troposphere/daybreak/nanovg

subrepo:
  subdir:   "troposphere/daybreak/nanovg"
  merged:   "52bb784b"
upstream:
  origin:   "https://github.com/Adubbz/nanovg-deko.git"
  branch:   "master"
  commit:   "52bb784b"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

* daybreak: switch to using hiddbg for home blocking (+1 squashed commits)

Squashed commits:

[4bfc7b0d] daybreak: block the home button during installation

troposphere/daybreak/nanovg/source/framework/CApplication.cpp

@@ -0,0 +1,69 @@
+/*
+** Sample Framework for deko3d Applications
+**   CApplication.cpp: Wrapper class containing common application boilerplate
+*/
+#include "CApplication.h"
+
+CApplication::CApplication()
+{
+    appletLockExit();
+    appletSetFocusHandlingMode(AppletFocusHandlingMode_NoSuspend);
+}
+
+CApplication::~CApplication()
+{
+    appletSetFocusHandlingMode(AppletFocusHandlingMode_SuspendHomeSleep);
+    appletUnlockExit();
+}
+
+void CApplication::run()
+{
+    u64 tick_ref = armGetSystemTick();
+    u64 tick_saved = tick_ref;
+    bool focused = appletGetFocusState() == AppletFocusState_Focused;
+
+    onOperationMode(appletGetOperationMode());
+
+    for (;;)
+    {
+        u32 msg = 0;
+        Result rc = appletGetMessage(&msg);
+        if (R_SUCCEEDED(rc))
+        {
+            bool should_close = !appletProcessMessage(msg);
+            if (should_close)
+                return;
+
+            switch (msg)
+            {
+                case AppletMessage_FocusStateChanged:
+                {
+                    bool old_focused = focused;
+                    AppletFocusState state = appletGetFocusState();
+                    focused = state == AppletFocusState_Focused;
+
+                    onFocusState(state);
+                    if (focused == old_focused)
+                        break;
+                    if (focused)
+                    {
+                        appletSetFocusHandlingMode(AppletFocusHandlingMode_NoSuspend);
+                        tick_ref += armGetSystemTick() - tick_saved;
+                    }
+                    else
+                    {
+                        tick_saved = armGetSystemTick();
+                        appletSetFocusHandlingMode(AppletFocusHandlingMode_SuspendHomeSleepNotify);
+                    }
+                    break;
+                }
+                case AppletMessage_OperationModeChanged:
+                    onOperationMode(appletGetOperationMode());
+                    break;
+            }
+        }
+
+        if (focused && !onFrame(armTicksToNs(armGetSystemTick() - tick_ref)))
+            break;
+    }
+}