Implemented <parse>, <storage> etc sections within fluentd::source template

- Changed templates/source.erb to accept Hash elements within 'config'
- Updated source_spec test
- Updated README.md

spec/defines/source_spec.rb

@@ -18,6 +18,14 @@ describe 'fluentd::source' do
                 'type'   => 'tail',
                 'format' => 'json',
                 'path'   => '/var/log/test-application/*.json',
+                'parse'  => {
+                    'type'       => 'regexp',
+                    'expression' => '^(?<name>[^ ]*) (?<user>[^ ]*) (?<age>\d*)$'
+                },
+                'storage'=> {
+                    'type'   => 'local',
+                    'path'   => 'test.pos'
+                },
                 'tag'    => 'application.test'
               }
           }

spec/fixtures/files/source_tail.conf

@@ -2,5 +2,13 @@
   type tail
   format json
   path /var/log/test-application/*.json
+  <parse>
+    type regexp
+    expression ^(?<name>[^ ]*) (?<user>[^ ]*) (?<age>\d*)$
+  </parse>
+  <storage>
+    type local
+    path test.pos
+  </storage>
   tag application.test
 </source>