Improved name special chars escapping for MySQL
Analysis used in Linux kernel #2160
Add metric closers to GetLastActivityITS function
Beta version of the Python script in charge of running the R scripts

Beta version of a Python script which reads as a input a conf file
and execute the R scripts with the parameters obtained. A example
configuration file has been also added.
Use new variable json_dir to store JSON files
Add new variable to the example conf file
Add and handle a new variable for the Bicho backend
Define secondary log for R scripts

We'll keep on using a second log for R scripts. This is something
to be fixed in following improvements.
Fix error in IRC variable
Add call to get groups of devs by SCM activity
Fix SCR analysis filename
Use "-p" also for database password as in other scripts.
Support no db password in config file
First version of OpenStack profiles analyzer
Add index on companies name so companies queries are not slow
Add new last activity functions for Commits

Percentage of increase or decrease is now obtained in R
Add diffauthors function that calculates % of change
Fix percentage of change when counting authors
General script for countries and companies now
Merge branch 'master' of https://github.com/VizGrimoire/VizGrimoireR