增加Free的CI配置
Merge pull request #6 from JoeCao/master

将CobarClient加入持续集成https://travis-ci的管理
Update .travis.yml

尝试不同的jdk编译
commit skeleton codebase for cobarclient2.0
add BestEffortMultiDataSourceTransactionManager impl.
clean up codebase by removing legacy code
add more unit tests for route facility and fix bugs for them
add async execution method for multiple sqlmap session
add document on route design
fill up the overriden data access methods with sharding support
add comment on guide of rule migration
Merge branch 'cobarclient-2.0' of https://github.com/alibaba/cobarclient