added Ice and Nno to synopsis and ResourceDemo, and updated documentation

src/api/SymbolicIce.gf

@@ -1,4 +1,4 @@
---# -path=.:../english:../common:../abstract:../prelude
+--# -path=.:../icelandic:../common:../abstract:../prelude
 
 resource SymbolicIce = Symbolic with 
   (Symbol = SymbolIce),

src/api/TryIce.gf

@@ -1,3 +1,3 @@
---# -path=.:alltenses:prelude
+--# -path=.:../icelandic:../common:../abstract:../prelude
 
 resource TryIce = SyntaxIce, LexiconIce, ParadigmsIce - [mkAdv,mkAdN,mkOrd] ;