Merge pull request #15 from LiuJack/master

add GA algorithm
Fix bugs
Merge branch 'master' of github.com:aeronzhou/FootballAI
Merge pull request #16 from LiuJack/master

add GetRetionIDs function in team
重大更新，增加球员传球范围标记
改变isSafeGoThrougthAllOpponents写法
将队员角色改为进攻者和防守者
重大更新， SupportAttacker智能显示
改善传球力度
改善球员接球时候很僵硬的问题
Possibility udpate
Add type of receiving ball
commit
Merge branch 'master' of github.com:aeronzhou/FootballAI

Conflicts:
	data/xml/Params.xml
	src/Team.cpp
	src/Team.h
增加守门员
commit
Merge branch 'master' of github.com:aeronzhou/FootballAI

Conflicts:
	data/graph/FootballAI.vpp
	src/Team.cpp
	src/Team.h