Added Arch Linux recommendation.

Changes to be committed:
	modified:   08-linux.rst
Removed images.

They are not rendered properly by Github anyway.

Changes to be committed:
	modified:   01-sublime-text.rst
	modified:   04-python.rst
	modified:   05-django.rst
	modified:   06-php.rst
	modified:   07-mariadb-mysql.rst
	modified:   09-git.rst
	modified:   10-pycharm.rst