This reverts commit a8a7e7c9.

Also sort members.

Allow all Appenders to optionally carry a Property array. This allows
3rd party tooling to read and write properties for their own use.

This refactoring pulls up the properties instance variable and methods
from org.apache.logging.log4j.kafka.appender.KafkaAppender.Builder to
org.apache.logging.log4j.core.filter.AbstractFilterable.Builder.

Also deprecate withFilter() in favor of setFilter().

docs.

in log4j-1.2-api.

from programmatic reconfiguration.

org.apache.logging.log4j.core.config.AbstractConfiguration for null
arguments to appenders.

Closes #221.

Closes #221.

Programmatic compatibility.

Programmatic compatibility.

tests.

This closes #219

ColumnMapping uses a Pattern.

even when a test fails.