Link to the full source on the homepage to make the documentation more clear

This also adds links to where somebody can edit the page and easily submit a
pull request

Author: R. Tyler Croy

docs/_layouts/base.html.haml

@@ -37,5 +37,8 @@
         = page.title
       = content
 
-
     %hr/
+
+    %div#improve
+      %a{:href => "https://github.com/jruby-gradle/jruby-gradle-plugin/edit/master/docs/#{page.relative_source_path}"}
+        improve this page

docs/index.adoc

@@ -24,13 +24,13 @@ Ruby and Java developers alike.
 The simplest example is a hello-world from Gradle, using JRuby/Gradle we can
 execute a Ruby script, which has Ruby-based dependencies:
 
-.build.gradle
+.build.gradle (link:https://github.com/jruby-gradle/jruby-gradle-plugin/blob/master/examples/run-simple-ruby-script/build.gradle[full source])
 [source, gradle]
 ----
 include::../examples/run-simple-ruby-script/build.gradle[lines=16..30]
 ----
 
-.print-script.rb
+.print-script.rb (link:https://github.com/jruby-gradle/jruby-gradle-plugin/blob/master/examples/run-simple-ruby-script/print-script[full source])
 [source, ruby]
 ----
 include::../examples/run-simple-ruby-script/print-script.rb[]
@@ -44,25 +44,23 @@ image::images/print-script-output.png[]
 
 === Packaging some Ruby
 
-.build.gradle
+.build.gradle (link:https://github.com/jruby-gradle/jruby-gradle-plugin/blob/master/examples/self-executing-jar/build.gradle[full source])
 [source, gradle]
 ----
 include::../examples/self-executing-jar/build.gradle[lines=17..33]
 ----
 
-.entrypoint.rb
+.entrypoint.rb (link:https://github.com/jruby-gradle/jruby-gradle-plugin/blob/master/examples/self-executing-jar/entrypoint.rb[full source])
 [source, ruby]
 ----
 include::../examples/self-executing-jar/entrypoint.rb[]
 ----
-.
+
 
 Executing `./gradlew jrubyJar` will build a `.jar` file inside of the
 `build/libs` directory which can then be invoked:
 
 `% java -jar build/libs/self-executing-jar-jruby.jar`
 
-
 image::images/self-executing-jar-output.png[]
 
-

docs/stylesheets/jrubygradle.css

@@ -26,3 +26,11 @@
 #main_nav .on a {
   color: #FFF;
 }
+
+#improve {
+  margin-right: 5px;
+  margin-bottom: 15px;
+  font-weight: bold;
+  font-size: 0.8em;
+  float: right;
+}