Merge r1895982, r1898965, r1900545, r1902482 from trunk: [under CTR for Travis changes]

Merge r1895982, r1898965, r1900545, r1902482 from trunk: [under CTR for Travis changes]

Add Travis job against OpenSSL 3 with -Werror but with deprecation
warnings disabled.
Be careful to remove the previous OpenSSL install prefix is rebuilding.

Update to test against OpenSSL 3.0.2.

Update to testing against OpenSSL 3.0.3.

Update to test with OpenSSL 3.0.5.

Submitted by: jorton

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1902507 13f79535-47bb-0310-9956-ffa450edef68