Moving variables from one template to another

Since these variables are processed by `patacrep`, they may be included
in template of a lower level.

patacrep/data/templates/default.tex

@@ -57,14 +57,6 @@
 "footer": {"description": {"english": "Footer", "french": "Pied de page"},
            "default": {"default": "Generated using Songbook (\\url{http://www.patacrep.com})"}
         },
-"titleprefixwords": {"description": {"english": "Ignore some words in the beginning of song titles",
-                                     "french": "Ignore des mots dans le classement des chansons"},
-                     "default": {"default": []}
-                     },
-"authwords": {"description": {"english": "Set of options to process author string (LaTeX commands authsepword, authignoreword, authbyword)",
-                              "french": "Options pour traiter les noms d'auteurs (commandes LaTeX authsepword, authignoreword, authbyword)"},
-               "default": {"default": {}}
-               },
 "notenamesout": {"description": {"english": "Note names. Can be 'solfedge' (Do, Re, Mi...) or 'alphascale' (A, B, C...).",
                               "french": "Nom des notes : 'solfedge' (Do, Ré, Mi...) ou 'alphascale' (A, B, C...)."},
                   "default": {"default": "alphascale", "french": "solfedge"}

patacrep/data/templates/songs.tex

@@ -53,7 +53,15 @@
             },
 "lang": {"description": {"english": "Language", "french": "Langue"},
          "default": {"english": "english", "french": "french"}
-      }
+      },
+"titleprefixwords": {"description": {"english": "Ignore some words in the beginning of song titles",
+                                     "french": "Ignore des mots dans le classement des chansons"},
+                     "default": {"default": []}
+                     },
+"authwords": {"description": {"english": "Set of options to process author string (LaTeX commands authsepword, authignoreword, authbyword)",
+                              "french": "Options pour traiter les noms d'auteurs (commandes LaTeX authsepword, authignoreword, authbyword)"},
+               "default": {"default": {}}
+               }
 }
 (* endvariables *)