Move elevation to core config and clean up HTTP mocking in tests (#2378)

* Stick version numbers

* Move elevation to core config

* Migrate forecast test to requests-mock

* Migrate YR tests to requests-mock

* Add requests_mock to requirements_test.txt

* Move conf code from bootstrap to config

* More config fixes

* Fix some more issues

* Add test for set config and failing auto detect

tests/util/test_package.py

@@ -49,7 +49,7 @@ class TestPackageUtil(unittest.TestCase):
         self.assertTrue(package.check_package_exists(
             TEST_NEW_REQ, self.lib_dir))
 
-        bootstrap.mount_local_lib_path(self.tmp_dir.name)
+        bootstrap._mount_local_lib_path(self.tmp_dir.name)
 
         try:
             import pyhelloworld3