Update submodule pythonx/jedi 454447d4...60415033

    * pythonx/jedi 454447d4...60415033 (54):
      > Prepare the v0.14.1 release
      > Use fixture names everywhere
      > Cleanup a test file
      > Use parametrize instead of TestCase
      > Remove a TestCase class usage
      > Use pytest.mark.parametrize for something instad of a class
      > Use the names fixture even more
      > Use the names fixture more
      > A small rename
      > Refactor names tests
      > A small refactoring
      > Make sure __wrapped__ works properly when using an Interpreter, fixes #1353
      > Small refactoring
      > Make API param names appear without leading double underscores, fixes #1357 again
      > Fix some call signature tests
      > Make expected index work in Python 3
      > Test both closing brackets and non-closing brackets for CallSignature.index
      > Fix a case with errors
      > Move some code around
      > Fix some kwargs cases
      > Fix some *args issues
      > Deal better with some error nodes
      > Delete unused code
      > Fix some error node handling for call signatures
      > Fix CallSignature index for a looot of cases, fixes #1364,#1363
      > Use recursion rather than other stuff
      > Even more refactorings
      > small name refactoring
      > Refactor some call details
      > Disable a test for Python 2
      > Fix pow() signature, fixes #1357
      > Merge branch 'master' of github.com:davidhalter/jedi
      > Fix signature to_string
      > Fix an issue with keyword params, fixes #1356
      > Simplify some test code for param defaults, see #1356
      > Merge branch 'function_signature_in_interpreter' of https://github.com/linupi/jedi
      > Improve a bit of dataclasses support, so at least the attributes can be seen
      > Make sure in tests that pep 0526 variables are also able to be used when using self, see davidhalter#933
      > Get typing.NewType working (#1344)
      > Cannot use pytest 5 yet
      > Fix filters for classes and functions
      > Fix some small things to get more tests passing
      > A better repr for Definition
      > Merge branch 'master' of github.com:davidhalter/jedi
      > Fix ClassVar filter for instances
      > Keyword completions are no longer possible directly after a number, fixes davidhalter#1085
      > Fix super call goto for multiple inheritance, fixes #1311
      > goto should always goto definitions, fixes #1304
      > Fix star imports checks, fixes #1235
      > Actually import IsADirectoryError
      > Add 3.8 to supported versions
      > Fix project search if a directory is called manage.py, fixes #1314
      > Return annotations for compiled objects now help to infer
      > Update parso requirement

A new release. jedi-vim feels pretty stable. Fixes davidhalter#787.

Merge pull request davidhalter#501 from kashiro/fix/auto-selected-las…

…t-opt

check "noselect" and "noinsert" before <C-p>

merge documentation change of davidhalter#231 of @tndoan and resolve …

…authors conflict

Merge pull request davidhalter#71 from ming13/readme-syntax-highlighting

Use VimL syntax highlighting in the readme file