Fix launching of Open-Sankoré importer on Windows

Also install the importer executable to OpenBoard root install folder

release_scripts/windows/OpenBoard.iss

@@ -119,7 +119,7 @@ Source: "{#QtDir}\plugins\mediaservice\wmfengine.dll"; DestDir: "{app}\mediaserv
 Source: "{#QtDir}\plugins\mediaservice\wmfengined.dll"; DestDir: "{app}\mediaservice"; Flags: ignoreversion   
 
 ;OpenBoardImporter
-Source: "{#ProjectRoot}\..\OpenBoard-Importer\release\OpenBoardImporter.exe"; DestDir: "{app}\Importer"; Flags: ignoreversion
+Source: "{#ProjectRoot}\..\OpenBoard-Importer\release\OpenBoardImporter.exe"; DestDir: "{app}"; Flags: ignoreversion
 Source: "{#QtLibs}\Qt5Core.dll"; DestDir: "{app}"
 Source: "{#QtLibs}\Qt5Gui.dll"; DestDir: "{app}"
 

src/core/UBOpenSankoreImporter.cpp

@@ -56,11 +56,9 @@ void UBOpenSankoreImporter::onProceedClicked()
     newProcess.startDetached(qApp->applicationDirPath()+"/importer/OpenBoardImporter");
 #elif defined Q_OS_OSX
     newProcess.startDetached(qApp->applicationDirPath()+"/../Resources/OpenBoardImporter.app/Contents/MacOS/OpenBoardImporter");
-#else
-    // Windows does not allows to run easily an exe located in a subdirectory when the main
-    // directory is placed into programs files.
-    //newProcess.startDetached(qApp->applicationDirPath()+"\\Importer\\OpenBoardImporter.exe");
-    newProcess.startDetached("C:/OpenBoard/Importer/OpenBoardImporter.exe");
+#elif defined Q_OS_WIN
+    QString importerPath = QDir::toNativeSeparators(qApp->applicationDirPath())+"\\OpenBoardImporter.exe";
+    newProcess.startDetached("explorer.exe", QStringList() << importerPath);
 #endif
     qApp->exit(0);