Merge pull request #4 from philip-schrodt/master

Updated sentence segmenter and made some source-specific filtering chang...
Merge pull request #5 from philip-schrodt/master

Extensive text added to README.md, but still needs a little additional w...
revision of mongo_formatter

rebased on the current master
Merge pull request #7 from myi100/master

revision of mongo_formatter
Extensive changes to handle uploads, file names from PHOX_config.ini, and standardize error handling
Delete default.config.ini (PHOX_config.ini replaces)