data: move the Pepper brush to a "Fun" category.

This brush is not to be considered seriously and is mostly a "troll". If
we want to keep it, let's make a proper category.

configure.ac

@@ -2645,6 +2645,7 @@ themes/Light/Makefile
 data/Makefile
 data/brushes/Makefile
 data/brushes/Basic/Makefile
+data/brushes/Fun/Makefile
 data/brushes/gimp-obsolete-files/Makefile
 data/brushes/Media/Makefile
 data/brushes/Legacy/Makefile

data/brushes/Fun/Makefile.am

@@ -0,0 +1,8 @@
+## Makefile.am for gimp/data/brushes/Fun
+
+brushfundatadir = $(gimpdatadir)/brushes/Fun
+
+brushfundata_DATA = \
+	pepper.gbr
+
+EXTRA_DIST = $(brushfundata_DATA)

data/brushes/Legacy/Makefile.am

@@ -5,7 +5,6 @@ brushlegacydatadir = $(gimpdatadir)/brushes/Legacy
 brushlegacydata_DATA = \
 	confetti.gbr	\
 	confetti.gih	\
-	pepper.gbr	\
 	vine.gih
 
 EXTRA_DIST = $(brushlegacydata_DATA)

data/brushes/Makefile.am

@@ -2,6 +2,7 @@
 
 SUBDIRS = \
 	Basic			\
+	Fun			\
 	gimp-obsolete-files	\
 	Media			\
 	Legacy			\