Fix for IE exception thrown rarely in selectionchange event.
Merge branch 't/11178'
Renamed: Plugin icons.
Renamed: Toolbar button.
Renamed: Context menu.
Renamed: Widget.
Renamed: Internal CSS classes.
Cleanup: Dev sample.
Disable Image plugin when Image2 is to be loaded.
Cleanup: Don't use removePlugins in samples since Image is disabled automatically.
Disable ImageButton when Image2 is to be loaded.
Added comments for odd hacks.
Simplified definition of Image2 dialog.
Fixed: Broken dialog tab navigation when Browse button is visible.
Reverted and made the hack for dynamic Browse button more friendly.
Changelog entry.
Merge branch 't/11222'
Use different frameWrapper (placeholder) in IE8.
Fixed JSLint
Change order of tags in docs.