ActionChainHandler: XML-RPC API for Action Chaining
Added single system update/install/remove/verify pkg by name

Conflicts:
	java/code/src/com/redhat/rhn/common/db/datasource/xml/Package_queries.xml
Added an example of Action Chain API use
Added Action Chain listing and Action details API
XML-RPC API: Action Chain initial implementation
Changed example to the new API interface
API is now accepts real server attributes - IP and name
Added package install by ID

Conflicts:
	java/code/src/com/redhat/rhn/common/db/datasource/xml/Package_queries.xml
Added System reboot, added more API by ID
Adapt to changed APIs in ActionChainManager
Added more APIs taking IDs
Checkstyle fixes
Documentation fixes
Added Remote command script API to Action Chaining XML-RPC API
Changed namespace name for ActionChain RPC API
Code refactoring, improved documentation
Added two tests of XML-RPC API for Action Chaining
Bugfix: pkg keys missing underscore
Query should return same column names
Added package installation and removal tests for the XML-RPC ActionChain API