Add accessors for core thread count in standard executor service classes
Change core thread count in FileTracker
Use locks in FileTracker
Create EventBuilder
Add method in EventBuilder
Format
Use results of Validations where possible
Remove useless enums
Fix code in AttributeFilterBuilder
Format
Add annotation to FileTracker
Create enums in Pi OSGi Commons
Create bundle options classes in Pi OSGi Commons
Create Locales
Move filter-related classes to their own package
Extract local variable and add annotation in EventListenerSupport
Upgrade dependency management in parent POM
Use explicit locks instead of object locks
Format
Remove empty Pi OSGi Component module