Merge of small MRs that make changes to the Python bindings

Merges

• !931 (closed) feature/store-commit-hash-in-pypi-package
• !929 (closed) bugfix/packagemetadata
• !909 (closed) feature/generator-speed-up
• !908 (closed) feature/verbose-jit
• !923 (closed) bugfix/missing-dependecies-for-pip-install-dune-common
• !920 (closed) issue/find_installed_modules
• !928 (closed) bugfix/dunepy_fix_path_to_installed_module
• !921 (closed) bugfix/use-additional-pip-params-in-wheel-building
• !931 (closed) feature/store-commit-hash-in-pypi-package

The whole MR needs some squashing before commit

bin/dunepackaging.py

 #!/usr/bin/env python3
 
-import sys, os, io, getopt, re
+import sys, os, io, getopt, re, shutil
 import importlib, subprocess
 import email.utils
 import pkg_resources
@@ -96,8 +96,8 @@ def main(argv):
     # Generate pyproject.toml
     print("Generate pyproject.toml")
     f = open("pyproject.toml", "w")
-    requires = ["setuptools", "wheel", "scikit-build", "cmake", "ninja", "requests", "portalocker", "numpy"]
-    requires += data.asPythonRequirementString(data.depends + data.python_requires)
+    requires = ["setuptools", "wheel", "scikit-build", "cmake", "ninja", "requests"]
+    requires += [r for r in data.asPythonRequirementString(data.depends + data.python_requires) if r not in requires]
     f.write("[build-system]\n")
     f.write("requires = "+requires.__str__()+"\n")
     f.write("build-backend = 'setuptools.build_meta'\n")
@@ -117,6 +117,13 @@ def main(argv):
             print("Please install the pip package 'scikit-build' to build the source distribution.")
             sys.exit(2)
 
+        # append hash of current git commit to README
+        shutil.copy('README.md', 'tmp_README.md')
+        githash = ['git', 'rev-parse', 'HEAD']
+        hash = subprocess.check_output(githash, encoding='UTF-8')
+        with open("README.md", "a") as f:
+            f.write("\n\ngit-" + hash)
+
         print("Create source distribution")
         # make sure setup.py/pyproject.toml are tracked by git so that
         # they get added to the package by scikit
@@ -129,6 +136,9 @@ def main(argv):
         gitreset = ['git', 'reset', 'setup.py', 'pyproject.toml']
         subprocess.call(gitreset)
 
+        # restore README.md
+        shutil.move('tmp_README.md', 'README.md')
+
         if not onlysdist:
             # check if we have twine
             import pkg_resources