* show all messages present in DBC files
* set last section stretch
* user can't resize data section
* re-fetch if filtering freq|count|data
* reserve set space
* use contains
* emit signalAdded for all related sources
* suppress using static mask
* use mask in updateLastMsgsTo
* store mask in cabana::Msg
* update mask in the right places
* actually build mask
* restore setting
* less diff
* cabana: improve menu to manage individual DBCs
* remove from single bus
* comments
* close explicitly
* new before open
* whitespace
* remove old code
* clipboard actions
* cleanup actions
* sections instead of nested menu
* consistent bus format
