3.4.0

• Changed location for storing temp files of rgf_python
• Moved docker file under rgfteam account
• Added AWESOME RGF
• Moved RGF changelog to CHANGES file
• Added R-package
• Python 3.7 support in rgf_python
• Converted RGF user guide from PDF to the reStructuredText format
• Refined RGF examples
• Reduced logs of files copying during installation of rgf_python
• Fixed sklearn 0.20 and joblib 0.12 rgf_python compatibility
• Renamed flag for RGF executable file in the config file for rgf_python
• Refined error messages in rgf_python