Introduce slf4j-api for logging (this allows users to choose their logging implementation). Remove log4j (= dead project) as logging implementation (especially in scope compile). Use logback-classic (= the successor to log4j) as logging implementation for unit test and examples.
JBRULES-2301 Replace System.out with logger.info and System.err/e.printstacktrace with logger.error/warn
replace tabs by spaces
make hudson blue: fix docs problem
[JBRULES-3595] [JBRULES-3608] add inline cast and grouped nested accessors to N&N
n&n: Simulation testing
Changes to N&N for drools-integration (Spring)
[JBRULES-3620] Conditional named consequences N&N
Merge pull request #27 from vinodkiran/master

Changes to N&N for Drools Integration (Spring) module
planner's new and noteworthy
new and noteworthy: logger support
JBRULES-3614 Pluggable Belief System for the Truth Maintenance System
typo
disable simulation testing n&n
<programlisting> should not be nested in <para> + typo's
Beta is with a capital in 5.5.0.Beta1
planner's hard and soft score showing graphs
Set release version: 5.5.0.Beta1 (jBPM 5.4.0.Beta1)
Updated Compatibility Matrix
Set next development version: 5.5.0-SNAPSHOT (jBPM 5.4.0-SNAPSHOT)