Update readme

 * remove install and call bower
 * bower is calling after npm install
Add exp and level
Handle entity not found
Fixes #14

 * set new instance of world and player
Remove debug log
Remove set env to prod is dev
Fixes #8

 * set focus after press enter on the button
 * fire event login after modal is hidden
Merge branch 'master' of github.com:Mayflower/mayrogue