Added documentation for evaluation_order in file control body

[nickanderson]

Adds documentation and references for using the evaluation_order
attribute within body file control. This attribute allows users
to switch from classic promise execution order to top-down evaluation
within a specific policy file.

[nickanderson]

@cf-bottom jenkins, please

[cf-bottom]

Sure, I triggered a build:

Jenkins: https://ci.cfengine.com/job/fast-build-and-deploy-docs-master/287/

Documentation: http://buildcache.cfengine.com/packages/build-documentation-pr/jenkins-fast-build-and-deploy-docs-master-287/output/_site/

[nickanderson]

@cf-bottom jenkins, please

[cf-bottom]

Sure, I triggered a build:

Jenkins: https://ci.cfengine.com/job/fast-build-and-deploy-docs-master/288/

Documentation: http://buildcache.cfengine.com/packages/build-documentation-pr/jenkins-fast-build-and-deploy-docs-master-288/output/_site/

[nickanderson]

@cf-bottom jenkins, please

[cf-bottom]

Alright, I triggered a build:

Jenkins: https://ci.cfengine.com/job/fast-build-and-deploy-docs-master/289/

Documentation: http://buildcache.cfengine.com/packages/build-documentation-pr/jenkins-fast-build-and-deploy-docs-master-289/output/_site/

[nickanderson]

@cf-bottom jenkins, please

[cf-bottom]

Sure, I triggered a build:

Jenkins: https://ci.cfengine.com/job/fast-build-and-deploy-docs-master/290/

Documentation: http://buildcache.cfengine.com/packages/build-documentation-pr/jenkins-fast-build-and-deploy-docs-master-290/output/_site/

[nickanderson]

@cf-bottom jenkins, please

[cf-bottom]

Sure, I triggered a build:

Jenkins: https://ci.cfengine.com/job/fast-build-and-deploy-docs-master/291/

Documentation: http://buildcache.cfengine.com/packages/build-documentation-pr/jenkins-fast-build-and-deploy-docs-master-291/output/_site/

[nickanderson]

Merge at will.

[nickanderson]

Merge at will

[larsewi]

Nice 🚀