Merge pull request #2 from chrispbailey/master

Update to new PDFMiner API
ignoring egg dir
Updating PDFDocument constructor due to changes in pdfminer (2014-03-24) release
Bump version
Merge pull request #4 from chrispbailey/master

Adding new PDFMiner API changes
Merge branch 'master' of https://github.com/timClicks/slate
Import PDFDocument from new location, see #14
Merge pull request #6 from timClicks/pdfminer-api-change

Import PDFDocument from new location, see #14
Bump version
- use standard LAParams
- cStringIO rather than StringIO 
- remove unused import
Fix cleanup if doc is not is_extractable
Added check_extractable option to skip checking if the document is extractable