fix custom field column name validity evaluation
fixes showing version cf in wp table
links user and version cf on wp table
Merge pull request #2276 from opf/fix/version_cf_in_wp_list
add missing angular non bindable
Merge pull request #2291 from opf/hotfix/add_missing_angular_non_bindable

add missing angular non bindable
Merge branch 'release/4.0' into fix/merge_release_4_0_into_dev

Conflicts:
	app/helpers/work_packages_helper.rb