Stable build of Beta2

1. created /demo-project/about/test_page, activated
2. created /demo-project/about/test_page/a page
3. created /demo-project/about/test_page/a/a-a page
4. activated /demo-project/about/test_page/a including subpages
5. deleted /demo-project/about/test_page/a
6. when tried to activate /demo-project/about/test_pag including subpages, the activation has been proceeded (i.e. the .../a and .../a/a-a pages are no more available on public), but

ERROR fo.magnolia.ui.contentapp.browser.BrowserPresenter: An error occurred while executing action [activateRecursive]
info.magnolia.ui.api.action.ActionExecutionException: org.apache.commons.lang.exception.NestableException: Exception during executing command
...
Caused by: javax.jcr.InvalidItemStateException: Item does not exist anymore: 3a12e849-b647-4f24-a007-b54d274034fb
...

has been thrown.