Added answers for 5 questions.

Added Questions and Answers of following questions.

Elementary Cellular Automaton
Grand Integer Lottery
Magic Square
Morgan Clypool Publishers
Palindrome
Resist-our Pizza

Proposed hierarchy of folders:

Questions
ieeextreme{version}/{question name}/Question/{question as a pdf}

Answers
ieeextreme{version}/{question name}/Answers/{Team name}/{Answer}