Update VE core submodule to master (fe2d908)

New changes:
fd433fa Add getter for toolbarDialogs in ve.ui.Surface
00c3eb7 Add 'done' button to find and replace dialog
3642dc8 Localisation updates from https://translatewiki.net.
fe2d908 Update OOjs UI to v0.6.0

Local changes to ve.ui.MWFormatTool.css for OOjs UI breaking change.

Change-Id: I6bf98ea988b3e1deb4824189ef8e6d59387b6ffc
Merge "Update VE core submodule to master (fe2d908)"