- Included Modelica.Icons.TypesPackage to provide an icon for type packages.
  Used this icon for all Types packages.
- Changed the icon for Modelica.Icons.IconsPackage 
- Moved the circle of the "i" for the Information icon a bit upwards

git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@6734 7ce873d0-865f-4ce7-a662-4bb36ea78beb