Merge 53862463-compile-release-robustness to master

[Completes #53862463]
Refactor large method

[#54205148]
Merge 54205148-reduce-method-complexity to master

[#54205148]
Refactor complex method

[#54205148]
Merge 54205148-reduce-method-complexity to master

[#54205148]
Link to general configuration

Also some frameworks referred to themselves as containers. This is
fixed.

[#54984734]
Merge 54984734- to master

[#54984734]
Warn about sensitive information in logs

Add a new Security page and link to that from the README to attract
people's attention. In the Security page, link to the logging section
on sensitive information in logs.

Also mention on the security page the need to keep any forks up to
date.

[#54989128]
Merge 54989128- to master

[Completes #54989128]
Log git info

Debug log the buildpack's git remotes and HEAD commit. There is no
point looking for other commits as Cloud Foundry creates only a
shallow clone of the buildpack.

[#53863269]