[teiid-designer-dev] [Teiid-Designer/teiid-designer] 1c4d93: Added widget status checks to prevent SWT errors

[blafond]

  Branch: refs/heads/master
  Home:   https://github.com/Teiid-Designer/teiid-designer
  Commit: 1c4d930fb8fed10a1100f25b0219566818d7958c
      https://github.com/Teiid-Designer/teiid-designer/commit/1c4d930fb8fed10a1100f25b0219566818d7958c
  Author: blafond <blafond at redhat.com>
  Date:   2017-12-04 (Mon, 04 Dec 2017)

  Changed paths:
    M plugins/org.teiid.designer.transformation.ui/src/org/teiid/designer/transformation/ui/editors/summary/ModelEditorMainPage.java
    M plugins/org.teiid.designer.ui/src/org/teiid/designer/ui/editors/MultiPageModelEditor.java

  Log Message:
  -----------
  Added widget status checks to prevent SWT errors