Update acsengine.md
Grouped all gopath additions for OSX in same format.
@@ -84,8 +84,8 @@ Build Steps:
```
export PATH=$PATH:/usr/local/go/bin
export GOPATH=$HOME/gopath
+ source $HOME/.sh_profile
```
- 3. `source $HOME/.sh_profile`
2. Build acs-engine:
1. type `go get github.com/Azure/acs-engine` to get the acs-engine Github project
2. type `go get all` to get the supporting components
