Use the version number for the RPM spec file (#32)

Don't hardcode the version in QML, but use
instead the one given in the RPM spec file;
closes issue #29.

FlowPlayer.pro

@@ -2,6 +2,7 @@ TARGET = flowplayer
 
 QT += core network sql xml
 
+DEFINES += VERSION=\\\"$${VERSION}\\\"
 
 CONFIG += link_pkgconfig
 PKGCONFIG += gstreamer-1.0 libresource libresource-glib taglib

qml/pages/AboutPage.qml

@@ -49,7 +49,7 @@ Page {
 
                     Label {
                         color: Theme.secondaryHighlightColor
-                        text: "version 0.3.1"
+                        text: "version " + appVersion
                         font.pixelSize: Theme.fontSizeSmall
                     }
                 }

src/FlowPlayer.cpp

@@ -59,6 +59,7 @@ int main(int argc, char *argv[])
     window->setTitle("FlowPlayer");
 
     window->engine()->addImportPath("/usr/share/flowplayer/qml");
+    window->rootContext()->setContextProperty("appVersion", VERSION);
 
     qmlRegisterType<Utils>("FlowPlayer", 1, 0, "Utils");
     qmlRegisterType<CoverSearch>("FlowPlayer", 1, 0, "CoverSearch");