documentation updated

Signed-off-by: Adam McNicol <adam@mcnicol.me>
documentation updated

Signed-off-by: Adam McNicol <adam@mcnicol.me>
Merge branch 'production' of https://github.com/pythonschool/pythonschool.github.io into production
removed test courses

Signed-off-by: Adam McNicol <adam@mcnicol.me>
Merge branch 'production'

Signed-off-by: Adam McNicol <adam@mcnicol.me>

Conflicts:
	README.md
	category/course.html
	course/gcse-computing-10/index.html
	course/gcse-computing/index.html
	cpd/test_course10.md
	feeds/course.atom.xml
	tag/computer-science.html
	tag/course.html
	tag/gcse.html