ASIS Cyber Security Contest Quals 2014: markup fixes
ASIS Cyber Security Contest Quals 2014: add ‘Winner’ write-up

Closes #58.
ASIS Cyber Security Contest Quals 2014: link to @nickfrostatx’s write-ups

Closes #59.
ASIS Cyber Security Contest Quals 2014: link to ‘Serial number’ write-up

Closes #60 and #61.