[403825] fixed setActivationComparator
 (this is not yet the implementation of the issue)
 NEW - Add activation ordering support for EVM 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=403825
[403825] added getter on enabled activations to RuleEngine
 NEW - Add activation ordering support for EVM 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=403825
[403825] new method to return first enabled activation only
 NEW - Add activation ordering support for EVM 
 https://bugs.eclipse.org/bugs/show_bug.cgi?id=403825
[404108] add new logo
[398720] closureOf function and related tests
[398720] implement Heath-join and add necessary dependencies
draft implementation of dependency projection