Split out ci_lab platform config from app header

[skliper]

Originated by abrown4 (59 on babelfish):

The platform-specific config (that I need to change for a deployment) is in the ci_lab_app.h, and thus common to all ci_lab builds. However, I want to build and deploy multiple cfs instances, each with a ci_lab. [It is simple and handy.]
Propose moving the platform-specific info into ci_lab_platform_cfg.h, like the other apps.

[skliper]

Note original issue has a changeset, need to create patch and apply here.

[skliper]

@dzbaker - should this be closed per #148 and #147?

[dzbaker]

Covered by #147, #148.