moved spi to core.spi, as refactoring was half way
Fix resources errors due to Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.marshalling
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.definitions
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.event
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.management
Delete dead package
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.world
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.impl
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.phreak
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.event
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.rule
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.process
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.runtime
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.facttemplates
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.io
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.xml
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.factmodel
Resolve split-packages: move everything from drools-core under org.drools.core: move classes directly under org.drools
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.fluent
Resolve split-packages: move everything from drools-core under org.drools.core: move org.drools.reteoo