Merge branch 'master' into ira/fix-knife-load

* master:
  github: Add no-response bot
  Update contribution.rst
  Add cargo completion
  Add completion for pipx. (#1719)
  Add github action to replace travis
  Address some comments.
  Add in_toolbox prompt to powerline themes
  Update atomic.theme.bash
  Add rustup completion to clean_files.txt
  Add rustup completion
  Move README to be under docs/
  docs: Transition md files to support new rtd format
  pre-commit: Exclude docs _build folder
  Add aliases for GIT-SVN (rebase and dcommit)

completion/available/cargo.completion.bash

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# cargo (Rust package manager) completion
+
+if _binary_exists rustup && _binary_exists cargo; then
+	eval "$(rustup completions bash cargo)"
+fi

completion/available/pipx.completion.bash

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# pipx completion
+
+if _command_exists register-python-argcomplete && _command_exists pipx; then
+	eval "$(register-python-argcomplete pipx)"
+fi

completion/available/rustup.completion.bash

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# rustup (Rust toolchain installer) completion
+
+if _binary_exists rustup; then
+	eval "$(rustup completions bash)"
+fi