Change for openfire's bosh connection#8

Open

tomlion wants to merge 9 commits intoskyfallsin:masterfrom

Commits on Apr 6, 2011

remove SystemTimer dependency when ruby version greater than 1.9
tomlion
committed
don't require 'system_timer' if ruby version greater than 1.9
tomlion
committed

Commits on Apr 8, 2011

use stand Timeout's timeout if SystemTimer is not defined
tomlion
committed

Commits on Jul 30, 2011

Remove send_presence and expose deliver method
tomlion
committed