Event names are now correct. Fixes #2530423

Fix broken API docs. The <dl> immediately following the @method tag was being parsed as part of the method name, which resulted in screwed up HTML output and also tripped up the MongoDB data importer.

[fix #2528514] Rm hardcoded ds-io from ds-jsonschema.

[fix #2528969] Set parser execution scope.

Cleanup of submodule declarations for apidocs.

Apidoc changes only.

DataSource.XHR -> DataSource.IO and DataSource.ScriptNode -> DataSource.Get.

dataschema-json has a json dependency. Checking for Y.DataSource.XHR before checking if instanceof Y.DataSource.XHR, in case we are in ScriptNode DataSource and it is undefined.

Removing scope property in support of Y.bind().

Y.plugin -> Y.Plugin.

.NAME -> dotless camelCase.

datasource-arrayschema plugin and tests. Y.Plugin -> Y.Plugin.Base.

DataSourceXMLSchema plugin and tests.

Plugin ._owner to .get('host') and minor cleanups to fix broken tests.

dataparser -> dataschema