Workarounds for macOS problem with python ssl module.

See merge request !4

Python again fails to find ssl module. On a 10.14 system, the problem
doesn't occur if ssl is imported before email.parser, which is imported
but pkg_resources. And pgk_resources is imported by girder_client.

Replace category view with analysis view

See merge request !3

Also removes all vestiges of "solver" in Tem3PWriter

Removes ACDTool from export atts

Includes moving all .sbt files to version 3, in part, to get
category inheritance from AttDef to item definitions.

Workflow updates

See merge request !2

* Add WaveguideFrequency option
* Move Postprocess option to boundary-condition flag

Adds toolbar with button to launch CUBIT executable
* cubit-integration:
  Add icon for the cubit-launch action
  Add logic to get working directory, plus some refactoring
  Add code to launch the executable using QProcess
  Add logic get path to CUBIT from user
  Add Cubit toolbar with simple "launch" button
  Add paraview setting for the path to the CUBIT executable

Note that this adds a new "ACE3P" tab to the settings dialog

Export test

See merge request !1

* item.isMemberOf() has been removed
* item.categories().passes() is the new logic
* ditto for attribute

Change from mesh session to vtk session, since that is the default
for modelbuilder

It is None in current modelbuilder package (only tested windows)

So that project manager can add it to the export dialog

Includes supporting newt session id for authentication

Addresses nuance where __file__ not defined for cmb:master

Git history not included