Adding books about Backbone, AngularJS, GIT
added new Javascript Book
Added some Algorithm Books
removed previous book from previous PR
Merge branch 'master' of github.com:ChrisCinelli/free-programming-books into ChrisCinelli-master

Conflicts:
	free-programming-books.md
Merge branch 'algo' of github.com:acarlos1000/free-programming-books into acarlos1000-algo

Conflicts:
	free-programming-books.md