python*-manifest.json: add dependencies, runpy

python*-manifest.json: add dependencies, runpy

* runpy allows running modules/scripts with 'python -m foo'
  - create explicit python2 and 3 packages rather than the
    misc catchall
* python3-setuptools and html.parser RDEPENDS on _markupbase
  - add to python3-core rather than misc catchall
* pip3 RDEPENDS on plistlib, http.client
  - already packaged in python2, add to python3
  - add http/ to -netclient
* "pip3 install" RDEPENDS on encodingds.idna
  - encodings.idna packaged in -core, but missing:
    - stringprep (move from -codecs to -core)
    - unicodedata (move from -codecs to -core)

Signed-off-by: Tim Orling <timothy.t.orling@linux.intel.com>