Rename Build to Job

Replace "Builds" by "Jobs" and fix broken specs

Replace "Builds" by "Jobs"

Fix broken spinach test

Fix broken test

Remove `˙` at the beginning of the file

Fix broken spinach test

Fix broken tests

Changes after review

Removed unneeded `project_title` code and last reference

Added CHANGELOG entry

Added sidebar
Removed elements not present in design

This reverts commit 3e991230.

# Conflicts:
#	app/models/project.rb

With new navigation design it makes no sense to duplicate title in the
header
Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Closes #12491

See #10982.

This support is not completed though, as parent directory that is first
in collection returned by `directories!` is not iterable yet.

This implementation makes it possible to browse artifacts, it
depends on artifacts metadata.

This reverts nesting artifacts controller in builds module.