vhf/free-programming-books — pull request #1200 by switchhax (2014-11-17 20:32:55+00:00)
Title: Added 3 new srcs for problems etc

Well the title is somewhat self-explaining, eh?
2 new Websites for the Section "Competitive Programming"
1 new Website for the Section "Problem Sets"
Tried to sort them in alphabetically.