Documentation
- fix documentation typo (#1741)
- remove shutdown G+ API references (#1751)
- remove duplicate lines from oauth-server.md (#1761)
- update README (#1779)
- change setApprovalPrompt to setPrompt (#1796)
- use explicit getter in sample over iterator interface methods (#1783)
Tests
- upgrade unit tests for PHP 7.4 compatibility (#1710)
Miscellaneous
- remove sudo:false from travis config (#1732)