v1.1.0

Changelog

b3144a3 add docker use in reademe
efc8874 add travis
385b2a9 fix print of concurren status
2ba4cfc fix readme
ad1e5c8 gofmt
1016792 golint
6b38489 golint
2664ce1 use comcurrentMap to aviod fatal err write map
40f51ce use concurrent map to solve fatal error: concurrent map writes #8

Docker images

• docker pull louisehong/stress:latest
• docker pull louisehong/stress:v1.1.0