ASIS CTF 2014: Add link to lottery solution

Closes #218.
ASIS CTF Finals 2014: add link to "How much exactly" solution

Closes #219.
CSAW 2014: add link to eggshelss solution

Closes #220.
ECTF '14: Adds writeup for pixel princess

Closes #221.
Hack.lu CTF 2014: add link to holy moses exploit writeup

Closes #222.
Hack.lu CTF 2014: link to @sqall’s blog post that is relevant for “The Union”
Hack.lu CTF 2014: link to JonahHex source code
ECTF 2014: link to write-up for “ECTF Hacked?”

Closes #224.
Hack.lu CTF 2014: link to Cryptochief write-ups

Closes #223.
ECTF '14: Adds links to some writeups