Added a description to a filter for more context.
Removed global from filters.
Filters can now belong to an application.
Added test for association with an application.
Law of Demeter solution for fetching the name of associated application.
Allow association to be created with an application.
App is now permitted as a param.
Method for checking if a filter is global.
Display if a filter is global or not.
Expose the apps for selecting in form at creation/update of filters.
Small layout tweaks for filters.