VHDL-AMS support for gEDA gnetlist tool

   1. functionality
      1. ARCHITECTURE generation   
      2. ENTITY generation
      3. automatisate gnetlist calls

   2. implementation
      1. the vams mode of gEDA gnetlist
	 1. scheme
	    1. settings and new definition
	    2. gnet-vams.scm
	       1. routines main structure
	       ???
	    3. helpfully setting in gEDA gschem environment

	 2. new c-code
	    1. routines
	    2. code-adaptation
      
      2. automatic generating gnetlist calls in gEDA gschem
	 1. generated gEDA gnetlist calls
	 2. scheme
	    1. generate_netlist.scm
	    2. settings
	 
	 3. new c-code
	    1. routines
	    2. code-adaptation