added info about worg sources directory to worg-setup, adjusted links in ob-doc-gnuplot, and modified org-babel-gnuplot

org-contrib/babel/languages/ob-doc-gnuplot.org

@@ -33,7 +33,7 @@ The following provides instructions and some examples of gnuplot
 usage. Since babel is simply allowing native code to run inside of
 Org-mode, all gnuplot documentation is applicable and valid. [fn:1]
 
-This file may be downloaded here: [[http://orgmode.org/worg/org-contrib/babel/examples/org-babel-gnuplot.org][org-babel-gnuplot.org]]. The image
+This file may be downloaded here: [[http://orgmode.org/worg/sources/org-contrib/babel/examples/org-babel-gnuplot.org][org-babel-gnuplot.org]]. The image
 links are to the images online on Worg, but running the code blocks
 will produce matching images in the same directory as the .org file.
 

worg-setup.org

@@ -42,6 +42,16 @@
 2. Fix the page or contact the author of the page telling him about the
    problem.
 
+** Where are the "raw" .org files kept?
+In addition to publishing the html versions of the .org files Worg's
+git repository, the raw source .org files are also put in
+[[http://orgmode.org/worg/sources]]. It is nice to make the .org file
+available for those following a tutorial so that the actual .org
+file is viewable in addition to reading through the online html
+version. To do this, simply link to the file in the worg sources directory:
+- If the page in the git repository is =~/worg.git/path/to/file/file.org=,
+- Link like so: =http://orgmode.org/worg/sources/path/to/file/file.org=
+
 * Are there any writting conventions?
 
   Please don't use [[http://www.gnu.org/software/emacs/manual/html_node/emacs/Specifying-File-Variables.html#Specifying-File-Variables][file variables]] in your org files.