[ANALYZER-2402] - new implementation of XmlaExtra that will delegate calls to the instance inside the OSGI classloader.
Merge pull request #1448 from kurtwalker/ANALYZER-2402

[ANALYZER-2402] - new implementation of XmlaExtra that will delegate cal...
[ANALYZER-2402] - correcting unit test
Merge pull request #1449 from kurtwalker/ANALYZER-2402

[ANALYZER-2402] - correcting unit test
[BISERVER-11423] 2 files are being created for each schedule execution
Merge pull request #1450 from mdamour1976/master

[BISERVER-11423] 2 files are being created for each schedule execution
[BISERVER-11452] Cannot edit a Blockout period
Merge pull request #1455 from mdamour1976/master

[BISERVER-11452] Cannot edit a Blockout period
Initial RuntimeObjectFactory work
[BISERVER-11385] The BA server needs a facility for registering objects and factories at runtime.

- Now returning an IPentahoObjectRegistration handle from register methods allowing de-registration later
- You can now register with an explicit list of classes
[BISERVER-11385] PluginManager based on PentahoSystem registrations added
[BISERVER-11385] PluginManager based on PentahoSystem
Changes to support reloading the PluginManager at runtime.
Throwing exception when plugin with same id is already defined