fix: refactore slinks to load functions in build-install
add: check symlinks in build-install and fix undefined behavior with conditional or in if statement
Merge branch 'develop' into engine-scheduler

Conflicts:
	sources/canotools/bin/hypcontrol
	sources/wkhtmltopdf-libs/etc/tasks.d/task_reporting.py
	tools/slink
improve: Task handlers and scheduler engine ; fix: incompatibilities ; add: cjob class from crecord
Merge branch 'engine-scheduler' into UIV2