Add snippet generating random UUID, fixes honza#1028

Author: fenuks

UltiSnips/all.snippets

@@ -100,4 +100,11 @@ snippet todo "TODO comment" bw
 `!p snip.rv=get_comment_format()[0]` ${2:TODO}: $0${3: <${4:`!v strftime('%d-%m-%y')`}${5:, `!v g:snips_author`}>} `!p snip.rv=get_comment_format()[2]`
 endsnippet
 
+##########
+#  Misc  #
+##########
+snippet uuid "Random UUID" w
+`!p if not snip.c: import uuid; snip.rv = uuid.uuid4()`
+endsnippet
+
 # vim:ft=snippets: