Merge pull request #5 from kantal/master

A 2nd content file added, readme.md in issue60 corrected.
ISSUE-61 plus minus
Merge branch 'master' of https://github.com/OLIMEX/WPC
ISSUE-62 one million
ISSUE-63 Braille encoder
ISSUE-64 Color to Grayscale converter
ISSUE-65 PCB track resistance calculator
Kaloyan's solution uses Bash, not C++

Fixed according to http://olimex.wordpress.com/2014/09/24/weekend-programming-challenge-week-65-solutions/
Merge pull request #6 from frafra/patch-1

Kaloyan's solution uses Bash, not C++
ISSUE-66 Christmas tree
Merge branch 'master' of https://github.com/OLIMEX/WPC
ISSUE-67 Missing Pages
Update wp031014.php
ISSUE-68 Text Formatting
Merge branch 'master' of https://github.com/OLIMEX/WPC
ISSUE-69 Levenstein distance
ISSUE-70 Math with Words
content file extended