SA-81 upgrade to hsql 2.2.9
Add support in the default CalDAV dialect to configure the user attribute used in building the HTTP paths. Alter default configuration to better suit the Bedework quickstart. Remove the unnecessary ATTENDEE property for the schedule owner.
Merge pull request #2 from nblair/uid-support-in-http-paths

Support uid attribute in HTTP paths.
Add Travis CI config
Merge pull request #3 from nblair/travis-ci

Add Travis CI config
SA-31 initial support for Exchange via exchange-ws-client

Additionally update Spring Web Services dependency to 3.1.1.RELEASE
SA-31 add support for Transparency

Add new mock ICalendarAccountDao to simplify some end-to-end tests