* Update wdl to GATK4.1

* Updated imports to git tag URL, updated gatk docker in json, updated Readme structure

* minor edits and link to documentation in readme

* import url correction

* update to gatk4.1.1.0

* updated GATK version in Readme

* updated import url to 1.3.0

* do_explicit_gc_correction changed to be true by default

* Added funcotate wdl, Enable gc correction by default in cnv workflows (#5966)

* minor updates to Readme, simplified json, shifted json to use funcotator

* minor edit for consistency

* updated docker to 4.1.4.0, updated import url to latest release

* moved task to tasks folder

* updated import url to latest release