fluid.each cannot be terminated. The comment should be corrected.

The fluid.each function has an incorrect comment indicating that it can be terminated. However, this is not the case, as it cannot be terminated.

https://github.com/fluid-project/infusion/blob/master/src/framework/core/js/Fluid.js#L459

see discussion in channel from Jan 26, 2015
https://botbot.me/freenode/fluid-work/2015-01-26/?tz=America/Toronto