Fix encoding issues with metadata for Ruby 1.8 & 1.9
Update lib/docsplit/info_extractor.rb
Fix test helpers for ruby 1.9.3
Update unicode test file to have unicode metadata (keywords specifically)
Add test case for mangled unicode.
Merge pull request #65 from amalagaura/master

Accept non-ascii characters in pdf headers
Merge branch 'master' of github.com:documentcloud/docsplit into rm_jodconvertor