Merge pull request #64 from ainilife/master

abtest sample init & Cat.sql upated
Merge pull request #65 from ainilife/master

Bug fix
优化管理端的界面；sendheartbeat在批量update多个run的状态时，触发了多次，改为1次
Merge pull request #67 from ainilife/master

Bug Fix & Cat打点
Merge branch 'abtest' of https://github.com/dianping/cat into abtest3

Conflicts:
	cat-home/src/main/webapp/jsp/system/abtestAllTest.jsp
Merge pull request #66 from atellwu/abtest3

优化管理端的界面；sendheartbeat在批量update多个run的状态时，触发了多次，改为1次
日期格式的bug
Merge pull request #68 from atellwu/abtest3

修复日期格式的bug
HTTP communication channel