Getting rid of redundant target for re-making _site (so that we always build book.html)
Getting rid of redundant target for re-making _site (so that we always build book.html)

selimnairb/2014-02-25-swctest,selimnairb/2014-02-25-swctest,selimnairb/2014-02-25-swctest,selimnairb/2014-02-25-swctest,selimnairb/2014-02-25-swctest,selimnairb/2014-02-25-swctest