Use EnvironmentAspect to retrieve the environment

Change-Id: If878e22cc2715d05bb3e65ad908cd4fb5e21b03b
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/cmakeprojectmanager/cmakerunconfiguration.h

@@ -139,6 +139,7 @@ private slots:
     void setWorkingDirectory();
     void resetWorkingDirectory();
     void runInTerminalToggled(bool toggled);
+    void environmentWasChanged();
 
     void baseEnvironmentComboBoxChanged(int index);
     void workingDirectoryChanged(const QString &workingDirectory);