Fixes #45 - Under Macos Slimerjs couldn't load the script

This issue appeared when we give a relative path of the
script
Docs: scripts context
More docs and removed some duplicated information from the README
Moved LICENSE into src
Creates a specific README for the package
Release of SlimerJS 0.6.1
Merge branch 'v0.6'

Conflicts:
	docs/conf.py
	docs/release-notes.rst
	src/application.ini