Issue #411: Fixing random file field test breakage caused by random naming.
Merge pull request #541 from quicksketch/411/fix_file_test

Issue #411: Fixing random file field test breakage caused by random naming.
Issue #176: Converting menus to config.
Merge pull request #542 from quicksketch/176/menu_config

Issue #176: Converting menus to config.
Issue: #416: Convert mail system variable to config.
Merge pull request #545 from quicksketch/416/mail_system

Issue: #416: Convert mail system variable to config.
Issue #168: Remove configurable actions and the actions UI.
Merge pull request #543 from quicksketch/168/actions_simplification

Issue #168: Remove configurable actions and the actions UI.
Issue #424: Upgrade path looses value of JPEG image quality.
Merge pull request #546 from quicksketch/424/image_quality_variable

Issue #424: Upgrade path looses value of JPEG image quality.
Issue #423: Upgrade path does not save any effects to default image styles.
Merge pull request #547 from quicksketch/423/image_style_upgrade

Issue #423: Upgrade path does not save any effects to default image styles.
Issue #415: All config files must be claimed by modules before importing is allowed.
Merge pull request #548 from quicksketch/415/config_full_import_check

Issue #415: All config files must be claimed by modules before importing is allowed.