multi key sharding table

update custom define sharding database/table

Merge branch 'master' of https://github.com/leelance/spring-boot-all

custom define Precise sharding table

Update README.md

update mybatis, druid

sharding database, sharding table master/slave, add ops.sql

sharding database table

update readme

add readme.md

Test sharding table, batch save(500*100)

Test sharding table

update spring-boot 1.5.19

Update README.md

update filter servlert dependency spring-boot 1.5.6