first version fo AddReview feature
feature AddReview almost implemented
book_review addition in progress...
auth with external servic on progress
twitter login in progress
login with twitter in  progress
home page restyling in progress
homepage added ok
stable version with twitter login in progress.
minimal modifications
add review implemented, but cucumber scenario to fix
loged in added to the features
loged in support added to the features
still testing login and finishing add_review
cucumber review now is all green
debug support added
reviews list on progress
first version of login and review is finished
debugger line removed
Merge branch 'add_reviews' into develop