Fix the following error:

QWidget: Must construct a QApplication before a QPaintDevice
In the VTK class browser when VTK was built with QT/SIP support.
fix creation of scripts on win32
Bugfix for problem assigning directly to data in MGlyphSource (zendesk ticket :13299)
cleaning up.
This throws a TraitError and not an AttributeError.

Catch that
Fix header size trait attribute of image data reader2 to long type.
Set an interactor prior to enabling and disabling a widget
Upgrade plot 3d reader to multiblock plot 3d reader
Remove unnecessary setting of interactor
Fix mlab pipeline test for vtk 5.10.1 and greater
Remove the change made for setting widget interactor
Fix formatting in comment
BUG: tvtk_doc barfs on searching for text.

The tvtk_doc would barf when a user enters a search string.
Merge pull request #99 from prabhuramachandran/fix_tvtk_doc

Merged.
Revert incorrect change of bounds after moving to multiblock plot3d reader
Merge pull request #80 from senganal/GlyphSource_bugfix

Glyph source bugfix : Merging.
Merge pull request #64 from mindw/tvtk_class_browser_fix

Fix tvtk class browser failure with vtkQt classes
TEST: Add test for imshow which currently fails.

Requires #96 to be merged for a fix.
Merge pull request #100 from prabhuramachandran/test_imshow

TEST: Add test for imshow which currently fails.
Merge pull request #96 from jenshnielsen/TraitError

Catch TraitError when trying to set line_width.