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/sql.snippets

@@ -0,0 +1,26 @@
+snippet tbl
+	create table ${1:table} (
+		${2:columns}
+	);
+snippet col
+	${1:name}	${2:type}	${3:default ''}	${4:not null}
+snippet ccol
+	${1:name}	varchar2(${2:size})	${3:default ''}	${4:not null}
+snippet ncol
+	${1:name}	number	${3:default 0}	${4:not null}
+snippet dcol
+	${1:name}	date	${3:default sysdate}	${4:not null}
+snippet ind
+	create index ${3:$1_$2} on ${1:table}(${2:column});
+snippet uind
+	create unique index ${1:name} on ${2:table}(${3:column});
+snippet tblcom
+	comment on table ${1:table} is '${2:comment}';
+snippet colcom
+	comment on column ${1:table}.${2:column} is '${3:comment}';
+snippet addcol
+	alter table ${1:table} add (${2:column} ${3:type});
+snippet seq
+	create sequence ${1:name} start with ${2:1} increment by ${3:1} minvalue ${4:1};
+snippet s*
+	select * from ${1:table}