Restructured advanced tab of the settings dialog

Fixed location of license file in the about dialog
Updated changelog and install instructions
Windows:
- Corrected install location of data files
- Install Qt libraries
- Some GUI improvements

git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@165 b624d157-de02-0410-bad0-e51aec6abb33

share/applications/keepassx.desktop

@@ -5,7 +5,7 @@ GenericName=Cross Platform Password Manager
 GenericName[fr]=Gestionnaire de mot de passe
 GenericName[de]=Passwortverwaltung
 Exec=keepassx
-Icon=keepassx.xpm
+Icon=keepassx
 Comment=Cross Platform Password Manager
 Comment[fr]=Gestionnaire de mot de passe
 Comment[de]=Passwortverwaltung