9447 CTF 2014: link to more write-ups

Closes #266.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	9447-ctf-2014/insanity_check/README.md
	9447-ctf-2014/no-strings-attached/README.md
	9447-ctf-2014/rolling/README.md
	9447-ctf-2014/tumorous/README.md