use 'git describe' to generate version info for the about box and servatrice. fixes issue #20

cockatrice/CMakeLists.txt

@@ -69,7 +69,8 @@ SET(cockatrice_SOURCES
  src/localserverinterface.cpp 
  src/localclient.cpp 
  src/priceupdater.cpp 
- src/soundengine.cpp 
+ src/soundengine.cpp
+ ${CMAKE_CURRENT_BINARY_DIR}/../common/version_string.cpp
 )
 SET(cockatrice_HEADERS
  src/abstractcounter.h 
@@ -153,7 +154,7 @@ set(cockatrice_TS
         translations/cockatrice_pt.ts
         translations/cockatrice_ru.ts
         translations/cockatrice_sk.ts
-)	
+)
 
 if(WIN32)
   set(cockatrice_SOURCES ${cockatrice_SOURCES} cockatrice.rc)

cockatrice/src/main.h

@@ -9,7 +9,6 @@ extern CardDatabase *db;
 
 extern QTranslator *translator;
 const QString translationPrefix = "cockatrice";
-const QString versionString = "0.20111113";
 
 void installNewTranslator();
 

cockatrice/src/window_main.cpp

@@ -40,6 +40,8 @@
 #include "settingscache.h"
 #include "tab_game.h"
 
+#include "version_string.h"
+
 #include "pb/game_replay.pb.h"
 #include "pb/room_commands.pb.h"
 #include "pb/event_connection_closed.pb.h"
@@ -210,7 +212,7 @@ void MainWindow::actAbout()
 {
 	QMessageBox::about(this, tr("About Cockatrice"), QString(
 		"<font size=\"8\"><b>Cockatrice</b></font><br>"
-		+ tr("Version %1").arg(versionString)
+		+ tr("Version %1").arg(VERSION_STRING)
 		+ "<br><br><br><b>" + tr("Authors:") + "</b><br>Max-Wilhelm Bruker<br>Marcus Schütz<br><br>"
 		+ "<b>" + tr("Translators:") + "</b><br>"
 		+ tr("Spanish:") + " Víctor Martínez<br>"