Ignore transform functions in usage name linter

The `UsageNameLinter` was incorrectly reporting lints for
transform-related functions like `scaleX` or `rotateZ`, as these
characters contain uppercase letters.

Add a whitelist so that these particular functions are ignored.

Fixes #30

Change-Id: I79dd481f8784182c535d76318839baefeb9cdd1d
Reviewed-on: https://gerrit.causes.com/27813
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Greg Hurrell <greg@causes.com>