Merge pull request #8 from larspalo/master

Fixed string comparison
Merge pull request #9 from larspalo/master

Added jOdfCleaner
Merge pull request #10 from larspalo/master

Improved cleaning per section
Merge pull request #11 from larspalo/master

Added info about jOdfCleaner
Merge pull request #12 from larspalo/master

Update to fix path separator issues