[BREAKING CHANGE] Update VE core submodule to master (88fe25f)

Switch to processes for windows (dialogs/inspectors)

This conversion also required the splitting of MWLinkInspector into
MWLinkNodeInspector and MWLinkAnnotationInspector.

New changes:
88fe25f [BREAKING CHANGE] Update OOjs UI to v0.1.0-pre (dd888aba5c)

Change-Id: I662d8985463c9fc881775f70aef87ebeb454a73f