LPS-32221 Rename VelocityTaglib.java to VelocityTaglibImpl.java
LPS-32221 Create an interface for VelocityTaglib
LPS-32221 Empty out methods that potentially render problematic markup in the customization settings
LPS-32221 DummyTaglib source formatting
LPS-32221 Make VelocityTaglibImpl#init protected
LPS-32343 Add missing classNameId reference