Global code style: Remove trailing whitespace. Refs #1704.
Rebuild after removing whitespace. Refs #1704.
CHANGELOG: Added issue 1704 Remove trailing whitespace. Refs #1704.
Merge branch 'issue/1704-remove-trailing-whitespace'. Refs #1704.
http://redmine.named-data.net/issues/1704
Name: Fix bug in getValueAsBuffer: It is a method of Name.Component, not Name.
README: In the Firefox add-on section, ndn-protocol.xpi is in the main distribution, not the downloads branch.
INSTALL: Add instructions for Node.js. For the Firefox Add-On, add instructions to install the pre-built ndn-protocol.xpi.
README: Code style: Removed trailing whitespace.
NOTICES: Added dcodeio and feross LICENSE files.
util (minor): In MemoryContentCache, fix typos in doc comments.
ndn-protocol: Fix bug for "Set Hub": Now we need to check if NdnProtocolInfo.face.connectionInfo is null.
ndn-protocol: Remove trailing whitespace in .jsm files. Refs #1704.
merge changes from master into feross branch.