trunk: utils/queue.pl script is modified to support options for configuring the queue system using a config file and command-line options starting with -- (e.g. --num-threads, --mem, --gpu)
trunk: Merging in i-Vector language identification updates from sandbox/language_id.

git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4692 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8