various: tweak opening comments, whitespace

Also remove incomplete efforts at listing "Depends on: ..."

abuild-keygen.in

 #!/bin/sh
 
-# generate signing keys 
+# abuild-keygen - generate signing keys
 # Copyright (c) 2009 Natanael Copa <ncopa@alpinelinux.org>
 #
 # Distributed under GPL-2
 #
-# Depends on: busybox utilities, fakeroot, 
-#
 
 abuild_ver=@VERSION@
 sysconfdir=@sysconfdir@

abuild-sign.in

 #!/bin/sh
 
-# sign indexes
+# abuild-sign - sign indexes
 # Copyright (c) 2009 Natanael Copa <ncopa@alpinelinux.org>
 #
 # Distributed under GPL-2
 #
-# Depends on: busybox utilities, fakeroot, 
-#
 
 abuild_ver=@VERSION@
 sysconfdir=@sysconfdir@

abuild.in

 #!/bin/sh
 
-# script to build apk packages (light version of makepkg)
+# abuild - build apk packages (light version of makepkg)
 # Copyright (c) 2008 Natanael Copa <natanael.copa@gmail.com>
 #
 # Distributed under GPL-2
 #
-# Depends on: busybox utilities, fakeroot
-#
 
 abuild_ver=@VERSION@
 sysconfdir=@sysconfdir@

apkgrel.in

@@ -27,7 +27,7 @@ do_add () {
 		old=$(do_show "$f")
 		setto=$(($old + 1))
 		do_set "$f" || return 1
-	done	
+	done
 }
 
 do_verify() {

newapkbuild.in

 #!/bin/sh
 #
-# Script to generate a new APKBUILD
+# newapkbuild - generate a new APKBUILD
 # Copyright (c) 2009 Natanael Copa <natanael.copa@gmail.com>
 #
 # Distributed under GPL-2
 #
-# Depends on: busybox utilities, fakeroot, 
-#
 
 version=@VERSION@
 sysconfdir=@sysconfdir@
@@ -297,7 +295,7 @@ while getopts "acd:fhl:n:pyu:s" opt; do
 done
 shift $(( $OPTIND - 1 ))
 
-while [ $# -gt 0 ]; do 
+while [ $# -gt 0 ]; do
 	newaport $1 || exit 1
 	shift
 done