Add support for indexing fictionbook documents

src/sampleconf/mimeconf

@@ -89,6 +89,7 @@ text/html  = internal
 text/plain = internal 
 text/rtf = exec unrtf --nopict --html;charset=iso-8859-1;mimetype=text/html
 text/x-c = internal
+text/x-fictionbook = exec rclfb2
 text/x-gaim-log = exec rclgaim
 text/x-html-sidux-man = exec rclsiduxman
 text/x-mail = internal
@@ -151,6 +152,7 @@ text/html = html
 text/plain = txt
 text/x-c = source
 text/x-c++ = source
+text/x-fictionbook = document
 text/x-html-sidux-man = sidux-book
 text/x-mail = message
 text/x-man = document
@@ -187,6 +189,7 @@ text = \
       text/rtf \
       text/x-c \
       text/x-c++ \
+      text/x-fictionbook \
       text/x-html-sidux-man \
       text/x-man \
       text/x-python \

src/sampleconf/mimemap

@@ -107,6 +107,8 @@
 .tiff = image/tiff
 .tif  = image/tiff
 
+.fb2 = text/x-fictionbook
+
 # A list of suffixes (name endings) that we don't want to touch at all.
 # Having these explicitely listed speeds things up a bit by avoiding
 # unneeded decompression or 'file' calls. File names still get indexed if