v0.5.7: cmd line update: skip input PDF files with special characters
fixed exit code when skipping PDF with invalid filenames
v0.5.8: expanded date formatter support
deleted pdfjs/pdf.js and loads bidi.js
v0.6.0: pulled latest pdf.js (12/04/2013) and use unicode to improve text parsing.
readme update
v0.6.1: hornors QuickTypeIIPi font and clean up
v0.6.2: added '-t' to command line to trigger fields.json file
Update readme.md with instructions to install on Ubuntu machines.

Adding instructions on how to install on Ubuntu machines. Mostly because Ubuntu installs "node" and it does not work and the solution is to install symlink it to the ppa version of "nodejs" instead.
Merge pull request #14 from marcellodesales/master

Update readme.md with instructions to install on Ubuntu machines.
readme update on fields format by mask
Merge branch 'master' of https://github.com/modesty/pdf2json
readme update for more numeric fields masks
v0.6.3: added detection for initial selection status of radio buttons
added 'checked' property to radio buttons
v0.6.5:improved invalid filename detection
fixed radio button group's initial default selected flag
Update readme.md

clean up command line text.
updated readme.md