adapted testing framework from #54 to work in practice for .eml
ShellParserTestCase now tests for filenames with spaces to address situations in #53
added all other raw_text tests to new testing framework
broke out tests for cli and python separately
no more crappy run_functional_tests.sh script
strange importing problems on travis-ci
no more running provision/debian.sh as sudo on travis
refactored to add some quick tests for jpeg synonym
refactored tests to make it possible to test particular extraction methods (like pdfminer)
added test for running subprocess commands on large files (see issue #33)
updated contributing documentation for the new test suite
minor doc tweaks
added standardized text tests for all supported file types to date
updated changelog
redo inheritance in test classes so we can override things in unittest.TestCase as necessary
managing temp files better
fixed test from refactoring
Merge pull request #49 from deanmalmgren/standardized-tests

standardized text extraction tests