Adds new class option for gitinfo.
Modifies gitignore and adds latest pdf
Adds new folder to the data folder to hold the open science paper setup
data like the csv which can be used to setup the title header. This
folder now contains also a githook from the description of the githook
latex package which can be used to setup the document do display git
information inside the compiled pdf document. A make call: make githooks
sets up the hooks.
Adds the gitHeadInfo file to the ignored files.
Merge branch 'implement_gitinfo'

Conflicts:
	open_science_paper.pdf
Use default class options again and close gitinfo feature mentioned in