Resolve WB-434: Oblique Volume Mode Doe Not Display CIFTI.   When requesting the dimensions using a std::vector, the vector was not cleared before pushing the dimensions onto the vector.  Now vector is resized to the proper dimensions and then the elements are set.
Fixed crash that occurred when a CIFTI matrix type file was selected as an overlay without any data loaded to the file (data loaded when user clicks brainordinate).  Recent CIFTI update does not allocate RGBA coloring until data is loaded.
Resolve WB-431 Maximize Button and Remembering Previous Size for File Open and Manage Loaded Files.   There are maximize buttons for these dialogs on Mac and Linux.  When either of the dialogs is closed, the dialogs geometry is saved and restored when reopened so that the dialog is in the same position and of the same size when reopened.