Drools

* Added new unit test for scorecards - This also provides an example of how to use PMML with rule units

* Updated test_scorecard.pmml so that it provides reason codes for occupations other than SKYDIVER and ASTRONAUT

* Removed some System.out.println() calls

(cherry picked from commit 377c580932f27df0ea787d1edac4c6cc2c0add8f)

(cherry picked from commit 5fad04919f255933bdd34afdb8da10b94f2c8c43)

(cherry picked from commit 2efb867d9663094c2addf2397b3f5327bf4bd2ff)

* Begin changeover to using RuleUnit mechanism

* Begin changeover to using RuleUnit mechanism

* PMML using RuleUnit mechanism for managing the invocation of rules, especially with regards to the mining model

* Changes made in anticipation of merging/rebasing master

* Fixed missing import statement

* new test for accumulate

* Catching up

* Several fixes including...

* Updated DefaultAgenda with MarkP's fix for determining when an agenda has finished

* Updates to the DecisionTreeTest to start making use of the rule unit's

* Updates to rule templates to fix problems caused by dialect "mvel" issue and work around for dynamic salience issue

* Updates to fix more of the tests

* Fixed code that provides dump of generated resources

* Fixed scorecard tests

* Removed duplicate test case from RuleUnitTest

* Improving tree model

* Updated to add the ability to retrieve a FactHandle, from a CursoredDataSource, based on an object

* More attempts to get DecisionTree tests fully functioning

* Updates for mining model

* Updates in an effort to make mining model tests pass

* KIE-PMML using RuleUnits

Rule generation now takes into account the rule units and data sources

Compatibility with drools-pmml is maintained via the use of versioning in the PMMLCompiler.

The PMMLCompiler is selected via property in the kie.conf file.

(cherry picked from commit 133890cbdcdcc0dd9ea4f3a775fcae81aabdb1c2)

* First test

* Test with three comparisons

* Green test HalfBinaryExpr

Recursively find leaf in HalfBinaryExpr

* Reused nameExprToMethodCallExpr

* Fix generation of constraint in binding

* Do not add upper case react on properties

* Avoid reparsing enumerations

* Disable test canonical model

(cherry picked from commit 2e52a0b9c965572945cb3450a00bba11edf71bde)