Include required antl3 library and check if datastore is available The datastore is checked for availability before requesting it to be cleared. This is because gaeftest uses its own method for ensuring no leakage of data by providing a temporary file as the backend. Reviewed by: Sverre Rabbelier

# use glob syntax.
syntax: glob

*.pyc
*.zip
*~
.project
.pydevproject
app.yaml
build
tests/coverageResults
*,cover
tests/.coverage
*.git
.gitignore
.DS_Store