Upraveny identifier feedu, aby bol url safe
Merge branch 'fix_feed_identifiers' into development
Pridane columny pre read a write key
Generovanie read klucu
Generovanie write kluca
Merge branch 'feed_keys' into development
Implemenovane zobrazenie klucov, implementovana kontrola prav na zobrazenie klucov
Merge branch 'display_feed_keys' into development
Pridane return hodnoty pre kontrolu pristupovch prav, myslim, ze sa mi to este hodi
Implementovane listovanie kanalov, kde je uzivatel admin, respektive ma read alebo write pravo
Merge branch 'user_admin_read_write_access_listing' into development
Implemenotane listovanie kanalov ktore moze zariadenie citat/pisat do nich
Merge branch 'device_admin_read_write_access_listing' into development
Upraveny seed
Doplnene oznacenie uz implementovanych veci do navrhu
Pridana before_action podmienka na existenciu feedu
Zjednodusena before_action podmienka na existenciu feedu
Upravena before_action podmienka na existenciu feedu
Pridana before_action podmienka na existenciu uzivatela
Pridana before_action podmienka na existenciu zariadenia