Unbundle Requests and urllib3; bump Requests to 2.2.1
Revert "Unbundle Requests and urllib3; bump Requests to 2.2.1"

This reverts commit 0a4b2aa7c2a4870c6af91c59c19c7f48b83bb7f2.
Remove support for obsolete --no-{build,upload}-step flags.

These were undocumented flags for the exclusive use of the builder apps.
All dx-toolkit newer than 4fa2deb (v0.42.0, March 2013) will invoke the
builder apps such that those flags are not supplied to dx_build_app, and
the builder apps ceased to be able to supply these flags entirely in
dnanexus/dx_app_builder@4803fbba (tarball_app{,let}_builder versions
1.0.12 and higher).
PTFM-10956 set CURLOPT_SSL_VERIFYHOST=0 when DX_CA_CERT=NOVERIFY
Changelog and version updates for v0.84.0, UA 1.5.2
PTFM-10582 "dx build" sets the developer list from dxapp.json.

* Improve messaging for adding PUBLIC to the authorized user list (when
  run non-interactively), which requires a similar user confirmation.

* The write_app_directory test helper can now be called more than once
  with the same directory to overwrite previously written app source.

* Document assumptions we were already relying on about the
  DXTEST_CREATE_APPS test flag.
Moved the wrong statement in code review for f8135373.
[PTFM-10999] Fix bug introduced in refactoring; add test for it
PTFM-8772: Add dxpy and dx run support for stage folders and rerunning stages
Add more assertions for dx build exit codes
Pylint and readability fixes
Use immutable default of ()
Changelog and version updates for v0.85.0
PTFM-11020: Remove default interpreter value in app wizard
Clarify inheritance of args in DXWorkflow.run
PTFM-10902: dx/dxpy support for job priority

- dx run --priority {normal,high} to request a particular priority
- Priority defaults to "high" when run with "dx run --watch" or when run
  immediately when building an executable ("dx build --run")
- dx prints a warning when normal priority is requested, but the
  executable will be requesting extra permissions (Internet access,
  developer access, or write access to projects)
Java bindings: findDataObjects supports retrieving describe
Throw a better exception when properties/details aren't available.
Changelog and version updates for v0.86.0
Test fix