Convert the About Pd-l2ork text to DOS line endings, so that Windows' sad...

Convert the About Pd-l2ork text to DOS line endings, so that Windows' sad excuse for a default text editor displays it properly. Fixes #248.

pd/doc/1.manual/1.introduction.txt

-PD_VERSION
-
-A real-time graphical programming environment for live interactive
-computer music, Pd-l2ork works on Linux, Macintosh OSX, and Microsoft
-Windows.
-
-Pd is copyrighted, but is free for you to use for any reasonable purpose.
-See the file:
-     PD_BASEDIR/doc/manuals/Pd/Pd-LICENSE.txt
-
-Pd-l2ork offers a rewrite of many of Pd's core routines for the purpose
-of improving editor functionality and stability. It is distributed under
-the same license as Pd. For additional info see:
-    http://l2ork.music.vt.edu/main/
-
-Reference documentation for Pd lives in:
-    file:PD_BASEDIR/doc/1.manual/index.htm
-or:
-    http://msp.ucsd.edu/Pd_documentation/
-
-Much more documentation and other resources live on:
-    http://puredata.org
-
-The Pd mailing list archive lives in:
-    http://iem.at/mailinglists/pd-list/
-
-
-Many more useful links are listed in the HTML documentation, section 1.2.
+PD_VERSION
+
+A real-time graphical programming environment for live interactive
+computer music, Pd-l2ork works on Linux, Macintosh OSX, and Microsoft
+Windows.
+
+Pd is copyrighted, but is free for you to use for any reasonable purpose.
+See the file:
+     PD_BASEDIR/doc/manuals/Pd/Pd-LICENSE.txt
+
+Pd-l2ork offers a rewrite of many of Pd's core routines for the purpose
+of improving editor functionality and stability. It is distributed under
+the same license as Pd. For additional info see:
+    http://l2ork.music.vt.edu/main/
+
+Reference documentation for Pd lives in:
+    file:PD_BASEDIR/doc/1.manual/index.htm
+or:
+    http://msp.ucsd.edu/Pd_documentation/
+
+Much more documentation and other resources live on:
+    http://puredata.org
+
+The Pd mailing list archive lives in:
+    http://iem.at/mailinglists/pd-list/
+
+
+Many more useful links are listed in the HTML documentation, section 1.2.