WIP: Rename caosdb -> linkahead

src/linkahead/connection/authentication/pass.py

src/linkahead/connection/authentication/plain.py

src/linkahead/connection/authentication/unauthenticated.py

src/linkahead/connection/connection.py

src/linkahead/connection/encode.py

src/linkahead/connection/interface.py

src/linkahead/connection/mockup.py

src/linkahead/connection/utils.py

src/linkahead/exceptions.py

src/linkahead/high_level_api.py

src/linkahead/schema-pycaosdb-ini.yml

src/linkahead/utils/__init__.py

src/linkahead/utils/checkFileSystemConsistency.py

src/linkahead/utils/create_revision.py

src/linkahead/utils/get_entity.py

src/linkahead/utils/linkahead_admin.py

src/linkahead/utils/plantuml.py

src/linkahead/utils/register_tests.py

src/linkahead/utils/server_side_scripting.py

src/linkahead/yamlapi.py