CLDCONNECT-1372 : Resolved Class Versioning & Operations hung issue

1. Upgraded the google-api-services-calendar version from
v3-rev9-1.7.2-beta to v3-rev77-1.17.0-rc
2. Removed unnecessary ‘@Optional’ annotations in the Google Calendar
Connector Class
3. Modified the model classes as a part of version upgrade.
4. Updated all the test cases & test data.
5. CLDCONNECT-1373  was as resolved due to upgrade of the google client
& calendar api.
CLDCONNECT-1372: Removed profiles from pom.xml
Updated the tests to avoid Calendar usage limits

- If a test is not functionally designed to test calendar creation or
deletion, it just uses the default/primary calendar.
    - If a test is working on an event, it uses different test data to
any other test that uses an event.
Fixed Google Model Wrappers & Test Cases
Merged and reran Regression
Merge pull request #6 from mulesoft/CLDCONNECT-1372

CLDCONNECT-1372 Bugs and test cases fixes, Merged with master and re-regression tested