v0.6.0 release (for real)!

0.6.0 (08 Feb 2014)
 # General
 - Restructured repository to a be a proper python package. (arieb)
 - Added setup.py file. (arieb)
 - Removed the deprecated file logstash_index_cleaner.py (arieb)
 - Updated README.md to fit the new package, most importantly the usage
   and installation. (arieb)
 - Fixes and package push to PyPI (untergeek)