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-snippets/snippets/markdown.snippets

@@ -0,0 +1,87 @@
+# Markdown
+
+# Includes octopress (http://octopress.org/) snippets
+
+snippet [
+	[${1:text}](http://${2:address} "${3:title}")
+snippet [*
+	[${1:link}](${2:`@*`} "${3:title}")${4}
+
+snippet [:
+	[${1:id}]: http://${2:url} "${3:title}"
+snippet [:*
+	[${1:id}]: ${2:`@*`} "${3:title}"
+
+snippet ![
+	![${1:alttext}](${2:/images/image.jpg} "${3:title}")
+snippet ![*
+	![${1:alt}](${2:`@*`} "${3:title}")${4}
+
+snippet ![:
+	![${1:id}]: ${2:url} "${3:title}"
+snippet ![:*
+	![${1:id}]: ${2:`@*`} "${3:title}"
+
+snippet ===
+	`repeat('=', strlen(getline(line(".") - 1)))`
+	
+	${1}
+snippet ---
+	`repeat('-', strlen(getline(line(".") - 1)))`
+	
+	${1}
+
+snippet blockquote
+	{% blockquote %}
+	${1:quote}
+	{% endblockquote %}
+
+snippet blockquote-author
+	{% blockquote ${1:author}, ${2:title} %}
+	${3:quote}
+	{% endblockquote %}
+
+snippet blockquote-link
+	{% blockquote ${1:author} ${2:URL} ${3:link_text} %}
+	${4:quote}
+	{% endblockquote %}
+
+snippet bt-codeblock-short
+	```
+	${1:code_snippet}
+	```
+
+snippet bt-codeblock-full
+	``` ${1:language} ${2:title} ${3:URL} ${4:link_text}
+	${5:code_snippet}
+	```
+
+snippet codeblock-short
+	{% codeblock %}
+	${1:code_snippet}
+	{% endcodeblock %}
+
+snippet codeblock-full
+	{% codeblock ${1:title} lang:${2:language} ${3:URL} ${4:link_text} %}
+	${5:code_snippet}
+	{% endcodeblock %}
+
+snippet gist-full
+	{% gist ${1:gist_id} ${2:filename} %}
+
+snippet gist-short
+	{% gist ${1:gist_id} %}
+
+snippet img
+	{% img ${1:class} ${2:URL} ${3:width} ${4:height} ${5:title_text} ${6:alt_text} %}
+
+snippet youtube
+	{% youtube ${1:video_id} %}
+
+# The quote should appear only once in the text. It is inherently part of it.
+# See http://octopress.org/docs/plugins/pullquote/ for more info.
+
+snippet pullquote
+	{% pullquote %}
+	${1:text} {" ${2:quote} "} ${3:text}
+	{% endpullquote %}