new: usr: added template support for the changelog generation
new: usr: adding new options to the base gitchangelog configuration file
new: usr: Adding markdown and restructuredtext templates
new: dev: Adding share/templates/* files
new: dev: Adding share/templates/* files in data_files and pystache as a requirement (needed for the templating
chg: doc: adding documentation to the new functions
chg: dev: removing task from TODO
chg: dev: Removing unecessary parenthesis
Adding info about the new templating system used to generate various output format for the changelog