Updated all plugins that are non-forked. Added some new plugins.

Added update_plugins.py which can fetch new plugins from GitHub.

New plugins added: zencoding, vim-indent-object, taglist, nginx.vim

sources_non_forked/vim-snipmate/doc/snipMate.txt

@@ -49,6 +49,8 @@ There are some alternatives:
 - ultisnips (python based)
 - xptemplate which is probably a much more powerful
   but also more complex
+- neosnippets - which seems to be able to read snippet
+files when swiching on compatible mode
 - (..?)
 
 snipmate is not perfect - however it gets its job done perfectly and gets out
@@ -113,8 +115,8 @@ The parsed .snippets files are cached.
 
 in the current buffer to show a list via.
 
-------------------------------------------------------------------------------
-SNIPPET SOURCES                                      *snippet-sources*
+==============================================================================
+SNIPPET SOURCES                                     *snipMate-snippet-sources*
 
 snipMate is configurable.
 
@@ -178,7 +180,7 @@ More details about all possible relative locations to |rtp| can be found in
 SYNTAX                                      *snippet-syntax* *snipMate-syntax*
 
 Default snippet sources [1], you can add your own as illustrated in
-|snippet-sources|.
+|snipMate-snippet-sources|.
 
 trigger: the snippet's name.
 |rtp|  : Vim's |runtimepath| path list
@@ -409,6 +411,7 @@ Perhaps some of these features will be added in a later release.
 CONTACT                                   *snipMate-contact* *snipMate-author*
 
 current maintainers:
+  - Adnan Zafar
   - garbas
   - Marc Weber (marco-oweber@gmx.de)
 You should consider creating a github ticket or contacting us because the