Complete scenes
Robot Group now have counts of healers and gathers.
Add adjustment for healer and gather
Fix some missing brakets
Fix symbol typos in Craft.js

Also added test file for Craft.js
add test module.

if it is possible, please write all test thing in this file. will be
easier to clean in the future.
fix the typo

some mistake just can not be forgiven.--Tony Stark
bind enter key to input of test.

"please stop playing and do your job."--Isaac Newton
Merge remote-tracking branch 'origin/master' into Xingze