There are quite a few more occurrences of $icmsModule throughout the core. In some cases, it is also being assigned, so it is a  valid use. Rather than go though all 240 instances, I'm focusing on the results I get with some key functions and modules.

As of this point, I have tested these modules with the upcoming New 2.0 release

• imBlogging - minor updates necessary. Already committed to my repo
• imTagging - minor updates necessary. Already committed to my repo
• Content - working, once core data types handing was addressed
• iForum - not working. Needs a bit of an overhaul to deal with $icmsModule changes
• Profile - not working. Needs a bit of an overhaul to deal with $icmsModule changes
• Simplywiki - 2.0.0 RC does work (I just need to finish up the release - it's been out for a long time)

Most of what remains is going to have to be done in the modules.

PHPMailer is going to need an update, which I've got staged locally and doing  a basic test before committing. I'll put that in another PR.

Here is the main pull request - https://github.com/ImpressCMS/impresscms/pull/1430 - and my working branch - https://github.com/skenow/impresscms/tree/1.5.x-PHP7-strict