Merge pull request #37 from moroni-pickering/master

Rewrite base64 stream decode; Removed temp gridFS attachment files; Files formatted: 4 spaces per indent.
Merge pull request #38 from moroni-pickering/master

Formatted code to use 4 space indents (no tabs)
Merge pull request #39 from moroni-pickering/master

Fixed binary base64 attachment decoding & comment out toComputableJSON() calls
Merge pull request #40 from moroni-pickering/master

Fix for decoding small base64 binary attachments
Fixed console.log to trace
Write content-length and content-type headers in http response to :db/fs requests.
Merge pull request #41 from dvazquez1027/master

Write content-length and content-type headers in http response to :db/fs...
Improved performance of file downloads from GridFS by calling mongo APIs directly vs indirectly via connect-multipart-gridform.
Merge pull request #42 from dvazquez1027/master

Improved performance of file downloads from GridFS by calling mongo APIs...
Merge remote-tracking branch 'upstream/master'