Update formula to use Debian version style

* Debian downloads have ".orig" in the tarball name. Now that
  Pathname supports this style, remove explicit versions from some brews.

Formula/bmon.rb

@@ -4,7 +4,6 @@ class Bmon <Formula
   url 'http://ftp.debian.org/debian/pool/main/b/bmon/bmon_2.0.1.orig.tar.gz'
   homepage 'http://freshmeat.net/projects/bmon/' # actually: http://people.suug.ch/~tgr/bmon
   md5 'd0da9d05f18c82a621171985d536dec7'
-  version '2.0.1'
 
   depends_on 'ncursesw'
 

Formula/dash.rb

@@ -1,14 +1,14 @@
 require 'formula'
 
 class Dash <Formula
-  @url='http://ftp.debian.org/debian/pool/main/d/dash/dash_0.5.5.1.orig.tar.gz'
-  @homepage='http://packages.debian.org/sid/dash'
-  @md5='7ac832b440b91f5a52cf8eb68e172616'
-  @version='0.5.5.1'
+  url 'http://ftp.debian.org/debian/pool/main/d/dash/dash_0.5.5.1.orig.tar.gz'
+  homepage 'http://packages.debian.org/sid/dash'
+  md5 '7ac832b440b91f5a52cf8eb68e172616'
 
   def install
-    system "./configure", "--prefix=#{prefix}", "--disable-debug", 
-           "--with-libedit"
+    system "./configure", "--disable-debug",
+                          "--prefix=#{prefix}",
+                          "--with-libedit"
     system "make"
     system "make install"
   end

Formula/mmv.rb

@@ -1,8 +1,7 @@
 require 'formula'
 
 class Mmv <Formula
-  version '1.01b'
-  url "http://ftp.de.debian.org/debian/pool/main/m/mmv/mmv_#{version}.orig.tar.gz"
+  url "http://ftp.de.debian.org/debian/pool/main/m/mmv/mmv_1.01b.orig.tar.gz"
   md5 '1b2135ab2f17bdfa9e08debbb3c46ad8'
   homepage 'http://packages.debian.org/unstable/utils/mmv'
 

Formula/sl.rb

@@ -2,7 +2,6 @@ require 'formula'
 
 class Sl <Formula
   url 'http://ftp.de.debian.org/debian/pool/main/s/sl/sl_3.03.orig.tar.gz'
-  version '3.03'
   homepage 'http://packages.debian.org/source/oldstable/sl'
   md5 'd0d997b964bb3478f7f4968eee13c698'
 

Formula/urlview.rb

@@ -4,7 +4,7 @@ class Urlview <Formula
   url 'http://ftp.de.debian.org/debian/pool/main/u/urlview/urlview_0.9.orig.tar.gz'
   homepage 'http://packages.debian.org/unstable/misc/urlview'
   md5 '4f253c82b59136181b1f0bf218ef059d'
-  
+
   def patches
     "http://ftp.de.debian.org/debian/pool/main/u/urlview/urlview_0.9-18.1.diff.gz"
   end
@@ -14,13 +14,10 @@ class Urlview <Formula
     inreplace 'urlview.c',
       '#define DEFAULT_COMMAND "/etc/urlview/url_handler.sh %s"',
       '#define DEFAULT_COMMAND "open %s"'
-    configure_args = [
-        "--prefix=#{prefix}",
-        "--disable-debug",
-        "--disable-dependency-tracking",
-    ]
-    system "./configure", *configure_args
-    man1.mkpath()
+
+    system "./configure", "--disable-debug", "--disable-dependency-tracking",
+                          "--prefix=#{prefix}"
+    man1.mkpath
     system "make install"
   end
 end