changed names of resource-1.3; added a note on homepage on release

lib/resource/mathematical/MathematicalSpa.gf

@@ -1,26 +0,0 @@
---# -path=.:present:prelude
-
-concrete MathematicalSpa of Mathematical = 
-  NounSpa - [ComplN2], --- to avoid ambiguity 
---  VerbSpa, 
-  AdjectiveSpa,
-  AdverbSpa,
-  NumeralSpa,
---  SentenceSpa,
-  QuestionSpa,
-  RelativeSpa,
-  ConjunctionSpa,
-  PhraseSpa,
-  TextSpa - [Tense,TPres,TPast,TFut,TCond],
-  IdiomSpa,
-  StructuralSpa,
-
-  SymbolSpa,
-  PredicationSpa, --  - [predV3,predV2], --- gf bug
-
-  LexiconSpa
-  ** {
-
-flags startcat = Phr ;
-
-} ;