center state 4 better
add perspective to fa-app.  add z-translate based enter for state 1
update famous-angular dependency to 0.4.0
edit fa-app height for state 3 to prevent slider from being blocked
refactor and organize state 1
refactor: move delay/halt/set calls for enter/leave animations inside state-transition-service
determine a state's initial timeline value (2 or 0) based upon whether the state transition is forward/backwards
add vendor prefixes for #fa-app scale and transform origin