AGP-269: fluid view helper to check if a context matches
AGP-273: TypoScript connector to check if a context matches
AGP-287: display contexts in access tab
AGP-287: remove empty line before contexts table
AGP-342: add context to check existance of a session variable
show which contexts are active in devlog
AGP-307: prevent fe_user exception on eid calls
AGP-418: Fix logical context combinations used in typoscript

Also load TS connector only in frontend, not in backend
AGP-422: Allow hiding contexts in the backend
AGP-420: allow - and _ in alias names; fix tests
AGP-420: fix CS