Revert "fix wrong usage of container class in xpcc:Queue"
Revert "fix wrong usage of container class in xpcc:Queue"

This reverts commit 7405f9688ae6ca935dd5b0d8a1e464e6afb3b650.

Better solution is to change the interface of LinkedList.

dergraaf/xpcc,dergraaf/xpcc,chrism333/xpcc,chrism333/xpcc,chrism333/xpcc,chrism333/xpcc,dergraaf/xpcc,dergraaf/xpcc