Fixed some warnings & format

plus ignore .idea and bin dirs
Fixed warnings from JavaScript inspection
Reformat these files using spaces & no tab char
Working base64 stream decode algorithm rewrite
Commented use of block-stream, some cleanup
Removed temp gridFS attachment files, some cleanup
Merge remote-tracking branch 'upstream/master'
Merge pull request #37 from moroni-pickering/master

Rewrite base64 stream decode; Removed temp gridFS attachment files; Files formatted: 4 spaces per indent.