File monitoring configuration

File monitoring configuration with guard and asciidoctor (+bundler config file for downloading required gems).
Added stylesheets for local document preview. Updated .gitignore.

.gitignore

@@ -1,2 +1,4 @@
 .preview*
-.metadata*
+.metadata*
+ch*.html
+Gemfile.lock

Gemfile

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+source 'https://rubygems.org'
+
+gem 'guard'
+gem 'guard-shell'
+# gem 'rb-inotify' - linux
+gem 'rb-fsevent' # mac os x
+gem 'asciidoctor'
+gem 'guard-livereload'
+gem 'yajl-ruby'

Guardfile

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+require 'asciidoctor'
+require 'erb'
+
+guard 'shell' do
+  watch(/.*\.asciidoc$/) {|m|
+    Asciidoctor.render_file(m[0], 
+                            :in_place => true, 
+                            :safe =>10, 
+                            :attributes => {
+                                'source-highlighter' => 'highlightjs', 
+                                'backend' => 'html5',
+                                'stylesheet'=> './stylesheets/riak.css'
+                                #'stylesheet'=> './stylesheets/asciidoctor.css'
+                                #'stylesheet'=> './stylesheets/foundation.css'
+                                })
+  }
+end
+
+# uncomment this 3 lines to use LiveReload 
+# Chrome extension http://goo.gl/wNPKB
+#guard 'livereload' do
+#  watch(%r{^.+\.(css|js|html)$})
+#end