[ExecutionManagement] Change ifndef processor to __EXECUTIONMANAGEMENT_LINK_H__
[WorldInterfacing] Add project. Add Event; EventListener; EventManager + tests
[WorldInterfacing] Add EventListener`s subclasses for narrow cast and broad cast
                                   - NarrowCast - use bitmask for resolving what to pass (can handle 64 different values)
                                   - BroadCast - use vector to store unsigned int array
[WorldInterfacing] Add MetaPollingTask; MetaPollingStation