fix(controller): fix scale log event on git push

This fixes the scale log event displayed after the _first_ `git push` of a new application.

Before this PR:
```
Sep 21 20:26:48 deis-1 sh[17259]: INFO wiggly-teaspoon:  scaled containers web=1
```

After this PR:
```
Sep 21 20:26:48 deis-1 sh[17259]: INFO wiggly-teaspoon: gabrtv scaled containers web=1
```