Don't add bulk middleware.

- The bulk middleware is already in the sample.
- Fixes bug 1207108

Change-Id: I569ecb734ac2e59716e5f24fa96e97d216cdc1a3
Ensures cross compatibility for zsh and bash.

Fixes bug #1207853

Change-Id: I8ab3959ac8dbb5bb199e325bfdfdc513b4327410
Merge "Don't add bulk middleware."
Merge "Ensures cross compatibility for zsh and bash."