Fix regresion on show about and minor changes
Modifications regarding column width, active columns and sorting of Media manager
Separate Clear and Execute Operations, review MM UI and add warnings messages
Fix player Operation question and minor fixes on warnings
Introduce relative operations folder and ziptype for zip actions
Change operation list on dialogs, minor fixes and remove TODOs
Change MM color set and fix broken MP id access on some MMoperations
Fix errors in Nas operation and delete unused code in worker
Optional keyboard or tactile multiple selection in Media Manager