Titanium Updates: GA npm updates do not register if pre-production npm packages installed

Titanium Updates: GA npm updates do not register if pre-production npm packages installed.

Applies to all npm packages (Titanium CLI, Alloy, etc.).

Test Steps (for example):

1. Install alloy@1.1.0-cr
2. Check for Titanium Updates.

Actual Result:

No updates available.

Expected Result:

alloy@1.1.0 appears, it is the GA version. User must uninstall to get GA npm packages.