added configuration file. Closes #15
Merge pull request #16 from aubry74/feat15/configuration

Feat15/configuration
Tokenization is now done with simple regex. Closes #9
Merge pull request #17 from aubry74/try9/tokenizer

Try9/tokenizer
mallet wrapper for LDA
rm ldaProcessor.py
code modifications, refactored the pipeline
code is pylint compliant and install.sh is updatedt
code is pylint compliant