Update README.md for 5.3.2 release

## Whats in the bundle:

    Workbench-5.3.1.{tar.gz,dmg,exe}: NEAMS Workbench release with integrated ParaView visualization toolkit

    Workbench-5.3.2.{tar.gz,dmg,exe}: NEAMS Workbench release with integrated ParaView visualization toolkit

## Install NEAMS Workbench

Start the NEAMS Workbench.

    Workbench-5.3.1/bin/Workbench                 Workbench-5.3.1.tar.gz (Linux) 

    Workbench-5.3.1.app/Contents/MacOS/Workbench  Workbench-5.3.1.dmg    (MacOS)

    Workbench-5.3.1\bin\Workbench.exe             Workbench-5.3.1.exe    (Windows)

    Workbench-5.3.2/bin/Workbench                 Workbench-5.3.2.tar.gz (Linux) 

    Workbench-5.3.2.app/Contents/MacOS/Workbench  Workbench-5.3.2.dmg    (MacOS)

    Workbench-5.3.2\bin\Workbench.exe             Workbench-5.3.2.exe    (Windows)

>Note: The first time Workbench is started on your machine an install-specific environment is setup.

>Note: The first time a version of Workbench is started on your machine an install-specific environment is setup.

      This can take a few minutes, so please be patient. A message stating `Testing for python using ...` will be presented in the terminal from which Workbench has been launched.

## NEAMS Workbench 5.3.2

#### Fixed:

- Missing ParaView file menu including the ParaView screencapture capability

- Persistence of ParaView settings

- Issue where empty documents were never sent to the language server

- Issue where mesh show and highlight were unavailable when using a language server

- Parse-tree creation issue for multi-line values created by language server interpreter

- Missing HERON `final` optimization trajectory plot series

- Localhost configuration grammar cache preventing grammar update from being identified

- Missing check for circular file includes

- VERA schema generation logic

#### Changed

- Navigation tree is expanded instead of collapsed when edits occur

- Language server is now the default interpreter for MOOSE-based applications

- MOOSE navigation tree depth from 3 to 2

- MacOS now defaults to high resolution capable widget rendering

- Default ParaView mesh surface representation from `Surface` to `Surface with Edges`

- Default ParaView mesh surface coloring from `Solid` to `vtkBlockColors`, if available

- PyARC to version 2.3.0

#### Added

- Application front setting editor to allow setting the font for all application widgets except the Text Editor font

- MOOSE-based application document formatting via Text Editor context menu accessible via right-click

- HERON dispatch workflow and dispatch plotting processor

- VERA summary file plotting processors - see https://doi.org/10.2172/1996668

## NEAMS Workbench 5.3.1

#### Fixed:

* A crash is observed when multiple cuts are used on PyARC Geometry

* A crash is observed on Mac OS when attempting to create a new directory from the New file dialog

* Rerunning a SetupRemote for a remote MCNP application with an input open can cause undefined behavior. See workaround below.

* A crash is observed while editing template file (*.tmpl)

* A document assigned a language server input interpreter cannot have the interpreter change to a different language server 

## Workarounds