Add a unit test for djblets.log.views.
Adding parse_timestamp() tests, def build_query_string() tests, iter_log_lines() tests, and get_log_filtersets() tests.

Added a unit test for djblets.log.views, which passes (along with all other tests except ERROR: Failure: ImproperlyConfigured (Error loading MySQLdb module: No module named MySQLdb)).
Running ./tests/runtests.py djblets.log.tests passes all tests.