Add missing "whatis entry" to man pages

This is recommended by Debian.
closes #618

man/galleroob.1

@@ -1,6 +1,6 @@
-.TH GALLEROOB 1 "25 janvier 2013" "galleroob 0\&.e"
+.TH GALLEROOB 1 "13 February 2013" "galleroob 0\&.f"
 .SH NAME
-galleroob
+galleroob \- browse and download web image galleries
 .SH SYNOPSIS
 .B galleroob
 [\-dqv] [\-b \fIbackends\fR] [\-cnfs] [\fIcommand\fR [\fIarguments\fR..]]
@@ -187,6 +187,9 @@ what backend(s) to enable (comma separated)
 .TP
 \fB\-e EXCLUDE_BACKENDS\fR, \fB\-\-exclude\-backends=EXCLUDE_BACKENDS\fR
 what backend(s) to exclude (comma separated)
+.TP
+\fB\-I\fR, \fB\-\-insecure\fR
+do not validate SSL
 
 .SH LOGGING OPTIONS
 .TP
@@ -204,9 +207,6 @@ file to save logs
 .TP
 \fB\-a\fR, \fB\-\-save\-responses\fR
 save every response
-.TP
-\fB\-I\fR, \fB\-\-insecure\fR
-do not validate SSL
 
 .SH RESULTS OPTIONS
 .TP