Fixes: Create a cbp file if we didn't find one, create All target

Task:     -
RevBy:    -
AutoTest: -
Details:  For now create only one build configuration "AllTargets",
build only the "all" target. Create runconfigurations for all targets
with option type=4

src/plugins/cmakeprojectmanager/cmakeproject.h

@@ -102,7 +102,7 @@ public:
 
 private:
     QString findCbpFile(const QDir &);
-    QString createCbpFile(const QDir &);
+    void createCbpFile(const QDir &);
 
     void buildTree(CMakeProjectNode *rootNode, QList<ProjectExplorer::FileNode *> list);
     ProjectExplorer::FolderNode *findOrCreateFolder(CMakeProjectNode *rootNode, QString directory);