logic: maven project setup

* added option to create a Coati project from a Maven POM file
* show list of indexed file paths in maven project setup
* use FileManager to detect indexed files in project setup (except cdb)
* added Maven path to preferences window and added path detectors.
* fixed: QtDialogView::hideStatusDialog now also hides loader in status bar.
* refactored ProjectType

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src/lib_gui/qt/window/project_wizzard/QtProjectWizzardWindow.h

@@ -20,6 +20,8 @@ public:
 
 	void setPreferredSize(QSize size);
 
+	void saveContent();
+
 	static const int FRONT_COL = 0;
 	static const int HELP_COL = 1;
 	static const int LINE_COL = 2;