fix null pointer exception in image import

Merge pull request #1366 from virtualcell/npe-read-image

accommodate missing ClientTaskStatusSupport while reading images

Fix Required System Properties

Fix the simulation controller branch by adding some required system properties.

Fix Export Service Implementation Variable Initialization

The export service implementation class has global class variables that keeps state for the exporters, which poses a problem when multiple exports are done in immediate succession. That's why each exporter is now created within the function that utilizes it allowing for multiple calls to be made without worry of past state corrupting current exports.

Generalized stochastic simulations, improved VCell ImageJ Plugin

• Expanded rate laws for stochastic simulations. Previously VCell had only supported mass action rate laws for stochastic simulations. This Release allows any rate law expressed for an ODE simulation to be simulated stochastically.

• VCell ImageJ plugin has improved usability and performance for analyzing large VCell simulation datasets served remotely using the cloud ready N5 format. Data transfer is much faster and simulation data is resampled for improved ImageJ compatibility.

release candidate with generalized stochastic and imagej improvements

Merge pull request #1359 from virtualcell/use-vcell-fvsolver

simplified Slurm scripts, uses vcell-solvers and vcell-fvsolver containers

fixed vcell-fvsolver config in vcell-submit service

7.6.0.49

fixed config mistake for vcell-fvsolver name on vcell-submit dockerfile

improved Slurm submission script

fixed Slurm bash syntax
translated host to container paths for container arguments

dev release: remove singularity from CI/CD

singularity images are no longer prebuilt in CI/CD - find another way.

dev release: simplified Slurm scripts, multiple solver containers

7.6.0.45

Merge remote-tracking branch 'origin/master' into use-vcell-fvsolver

Include Z,Time, And Number of Variables in DTO's

Merge pull request #1358 from virtualcell/quick-n5-fix

Human Readable Passes Dimension Info to its Spec