Introduced custom application launch text

This can be used to override weird automatically constructed messages
such as "Launching Power Off".

data/platform/gcw0/sections/settings/10_poweroff

@@ -1,5 +1,6 @@
 title=Power Off
 description=Shut down the system
+launchmsg=Powering off
 icon=skin:icons/poweroff.png
 exec=/sbin/poweroff
 editable=false

data/platform/gcw0/sections/settings/20_reboot

@@ -1,5 +1,6 @@
 title=Reboot
 description=Reboot the system
+launchmsg=Rebooting
 icon=skin:icons/reboot.png
 exec=/sbin/reboot
 editable=false

src/link.cpp

@@ -103,6 +103,10 @@ void Link::setDescription(const string &description) {
 	edited = true;
 }
 
+const string &Link::getLaunchMsg() {
+	return launchMsg;
+}
+
 const string &Link::getIcon() {
 	return icon;
 }

src/link.h

@@ -56,6 +56,7 @@ public:
 	void setTitle(const std::string &title);
 	const std::string &getDescription();
 	void setDescription(const std::string &description);
+	const std::string &getLaunchMsg();
 	const std::string &getIcon();
 	void setIcon(const std::string &icon);
 	const std::string &getIconPath();
@@ -65,7 +66,7 @@ public:
 protected:
 	GMenu2X *gmenu2x;
 	bool edited;
-	std::string title, description, icon, iconPath;
+	std::string title, description, launchMsg, icon, iconPath;
 
 	Surface *iconSurface;
 	Surface *icon_hover;

src/linkapp.cpp

@@ -213,6 +213,8 @@ LinkApp::LinkApp(GMenu2X *gmenu2x_, const char* linkfile)
 				title = value;
 			} else if (name == "description") {
 				description = value;
+			} else if (name == "launchmsg") {
+				launchMsg = value;
 			} else if (name == "icon") {
 				setIcon(value);
 			} else if (name == "exec") {
@@ -311,6 +313,7 @@ bool LinkApp::save() {
 		if (!isOpk()) {
 			if (!title.empty()       ) f << "title="           << title           << endl;
 			if (!description.empty() ) f << "description="     << description     << endl;
+			if (!launchMsg.empty()   ) f << "launchmsg="       << launchMsg       << endl;
 			if (!icon.empty()        ) f << "icon="            << icon            << endl;
 			if (!exec.empty()        ) f << "exec="            << exec            << endl;
 			if (!params.empty()      ) f << "params="          << params          << endl;
@@ -335,7 +338,10 @@ void LinkApp::drawRun() {
 	//Darkened background
 	gmenu2x->s->box(0, 0, gmenu2x->resX, gmenu2x->resY, 0,0,0,150);
 
-	string text = gmenu2x->tr.translate("Launching $1",getTitle().c_str(),NULL);
+	string text = getLaunchMsg().empty()
+		? gmenu2x->tr.translate("Launching $1", getTitle().c_str(), nullptr)
+		: gmenu2x->tr.translate(getLaunchMsg().c_str(), nullptr);
+
 	int textW = gmenu2x->font->getTextWidth(text);
 	int boxW = 62+textW;
 	int halfBoxW = boxW/2;