mkdir -p
mkdir -p

It fixes an error which occurs during building a Go Dockerfile

```
Step 8 : run /var/lib/tsuru/base/setup
 ---> Running in 9a39cf676a96
mkdir: cannot create directory `/home/application': File exists
```

Signed-off-by: Francisco Souza <8d45e0355693b8ec0dbbcdd5571f92a74ecfcbc2@corp.globo.com>

axelerant/basebuilder,leandrosouza/basebuilder,keymon/basebuilder,marcuskara/basebuilder,emerleite/basebuilder,keymon/basebuilder,leandrosouza/basebuilder,emerleite/basebuilder,ChangjunZhao/basebuilder,axelerant/basebuilder,keymon/basebuilder,jusbrasil/basebuilder,ChangjunZhao/basebuilder,keymon/basebuilder,tsuru/basebuilder,actionjack/basebuilder,keymon/basebuilder,axelerant/basebuilder,keymon/basebuilder,leandrosouza/basebuilder,ChangjunZhao/basebuilder,marcuskara/basebuilder,jusbrasil/basebuilder,marcuskara/basebuilder,tsuru/basebuilder,actionjack/basebuilder,keymon/basebuilder,keymon/basebuilder,emerleite/basebuilder,jusbrasil/basebuilder,actionjack/basebuilder