make hmacs updateable.
hmac reset after digist.
added tests for reset and update mechanism.
new sjcl.js
Revert "new sjcl.js"

This reverts commit 9187bdda633035f3e9369bfda01ce91af208b77e.
Merge pull request #102 from bitwiseshiftleft/feature/hmac_updatable

Feature/hmac updatable
new sjcl.js
Travis CI support.
Merge pull request #109 from lgarron/travis-ci

Travis CI Support (Free Test Server)
Added array buffer codec
Added faster arraybuffer version of ccm
Updated sources
Added array buffer tests
Update tests in makefile
Removed eval
array buffer codec can now handle buffer with byteLength%4!==0
Added tests for arraybuffer codec, and now will throw error if you try to convert bitLength%8 !==0 since arraybuffers work in bytes
oops forgot to add the codec_arraybuffer_test
updated tests