Looks like you need to set the directory key "snapshots.directory" in the world edit config to...
Remove the after permissions: 
You can read about yaml here
Missing space before Co-owner, the essentials.rules has a tab not 4 spaces, co-owner doesn't need to inherit member if it inherits admin which in...
Lines 254-258 you have no space after the hyphen and before the permission node.
I made a video about this awhile back. Colors codes are covered @ 1:27
Post your file on pastebin.com so we can see the spacing.
Hello Forum Members,
I’m writing to tell you that I’m leaving bukkit (a little late compared to the others!). Bukkit hasn’t been a very large...
Moved to plugin development.
Separate names with a comma.