Nextflow

- Fixed NF fails to pull images hosted in the Singularity Hub 414
- Added `-y` to cloud create command to skip confirmation request

- Removed invalid debug information

- Fixed NPE when parsing AWS price file 408
- Fixed Grid queue status return wrong data when a process change the submission queue dynamically 412
- Fixed MPI-like execution for SLURM batch scheduler
- Fixed NPE when log params key is not defined
- Fixed Optional parameter for set 399
- Added automatic pull for Singularity remote images 356
- Added London and Canada AWS regions
- Merged Pass NXF_OPTS to JVM during the java version check to allow memory definition on memory-restricted environments 411
- Improved error message in launcher file

- Fixed Execution hangs if a job submission fail 396
- Fixed stdout can not be sent into multiple channels 388
- Fixed Pipeline execution hangs when a process exceed the time limit and retry error strategy is used 387
- Added scientists and adjectives to run name generator
- Deprecated `route` operator

- Duplicate mount point docker error 384
- Disable Docker read-only mounts by default

- Fixed Dataflow threads pool get exhausted with a large number of tasks 92
- Fixed Custom function cannot be invoked in the workflow completion handler 374
- Fixed Runtime errors are not reported in the `workflow.errorMessage` property 369
- Fixed Warn if params.something is defined twice in a NF script 372
- Fixed Map.Entry values deserialization process fail 373
- Fixed List active operators that may hang the script execution 315
- Fixed launcher error message 366
- Fixed AWS spot instance bootStorageSize property is ignored 368
- Fixed Implicit variable `task` is not accessible in cached processes 363
- Fixed Do not export user environment when submitting job to SGE-like batch scheduler 362
- Fixed Process termination can throw a ConcurrentModificationException hiding the error cause message 359
- Fixed GroovyRuntimeException during foreign file copy process 360
- Fixed Helper function to compare version numbers 319
- Fixed Docker input file mounts should be read-only for enforce container security 346
- Fixed Extend `each` repeater syntax to support file collections 355
- Fixed Modified task properties are not accessible in the command script during task retry 345
- Fixed PublishDir warning message
- Fixed Spread operator mishandles Iterable values provided as a dataflow variable 353
- Fixed UUID cli options are wrongly interpreted as Duration objects 349
- New toInteger and toLong converter operators
- New randomSample operator 344
- New `simpleName` extension method to Path/File objects 354
- New warning message when input tuple cardinality does not match declared length 348
- Improved use example into ext directive documentation 327
- Improved error handing when parsing trace file 371
- Improved error reporting for process missing input definition
- Improved launcher script to support https protocol by default 379
- Change `maxErrors` default to -1
- Deprecated identifier `channel` as variable name