Add package.json
Implementation of hpack_constants.js, hpack_huffman_table.js

# Please enter the commit message for your changes. Lines starting
# with '#' will be kept; you may remove them yourself if you want to.
# An empty message aborts the commit.
#
# Date:      Sat Sep 6 14:29:33 2014 +0900
#
# rebase in progress; onto 952763f
# You are currently editing a commit while rebasing branch 'master' on '952763f'.
#
# Changes to be committed:
#	new file:   lib/hpack_constants.js
#	new file:   lib/hpack_huffman_table.js
#	modified:   package.json
#	new file:   test/hpack_huffman_table_test.js
#
# Untracked files:
#	lib/hpack_input_stream.js
#