* Use `providers.provider` for `modifiedFiles`.
This defers the looking up of `modifiedFiles` until it is used. It
also allows other tasks to be ran from the non-primary work tree.
Working in another work tree is essential for Antora which will clone
each branch/tag into a new work tree to process it.
* Migrate Structure
* Insert explicit ids for headers
* Fix image::image
* Copy default antora files
* Fix indentation for all pages
* Split files
* Generate a default navigation
* Remove includes
* Fix cross references
* Enable Section Summary TOC for small pages
* Polish nav.adoc
* Fix duplicate ids
* Escape {firstname} and {lastname}
* Remove links to htmlsingle and pdf Formats
* Fix broken links
* Disable attributes for ${debezium-version}
* Migrate to Asciidoctor Tabs
* Move to src/reference/antora
* Remove Asciidoctor Build
* deploy-docs only spring-projects
* GH-3438: Add Build from Source into CONTRIBUTING
Fixes https://github.com/spring-projects/spring-integration/issues/3438
It is not clear at the moment what Java version and what build system is used
in the project from the `CONTRIBUTING.adoc`
* Add `Build from Source` section into the `CONTRIBUTING.adoc`
* Point to the `CONTRIBUTING.adoc` from the top level `README.md`
* Fix the current Java version in the `README.md`
* Mention that `Squash commits` must be avoided for subsequent commits into the PR
* * Apply suggest change for docs result
* Change Travis config to use `oraclejdk11` which is minimal already for for the project
* Remove `CODE_OF_CONDUCT.adoc` if favor of the same for a GitHub org
* Move `LICENSE.txt` to the root project dir
* Fix `build.gradle` to copy a `LICENSE.txt` from the actual location
* Fix `README.md` and `CONTRIBUTING.adoc` to point into the actual `CODE_OF_CONDUCT`
& Security policy
* Add `ISSUE_TEMPLATE` directory with files similar to ones in `spring-session`
* Fix wrong section `id` in the `whats-new.adoc`
* Do not fix urls for the `http://apache.org/xml/features` when we
configure XML components
* Do not fix urls for localhost and fake links in tests
* Fix all the dead links in docs
