Add Help file menu

* Add Report Bug
* Add About Qt
* Add About Nevis
Add on_actionAboutQt_triggered to show about qt dialog
Add LicenseTemplate
Initial AboutDialog
Add Paths class
Fix mainwindow class path
Set extra info on application
Add AboutDialog and its implmentation for ui
Add on_actionAboutNevis_triggered slot to show About Nevis dialog
Add ReportBugDialog
Add on_actionReportBug_triggered to display ReportBugDialog