Fix data model so that it does not use macros.

Based on:
https://splunk-dev.panw.biz:8089/servicesNS/nobody/system/apps/local/SplunkforPaloAltoNetworks/_reload
Fix scope of lookups so as not to conflict with other apps using the same field names.
Update version and release note.
Add note to readme about rebuilding data model acceleration.
Add Jetbrains project data folder to .gitignore
Fix issues with drill downs in threat dashboards.
Merge branch 'hotfix/v4.1.2'