Add Czech translations

See merge request !34

Update Dutch translation

See merge request !32

adds mnemonics to view switcher

See merge request !35

Updated LINGUAS file

See merge request !31

Create French translation

See merge request !30

build: Use GNOME module post_install()

See merge request !29

Update Spanish translation

See merge request !28

Make developer_name tag untranslatable

See merge request !27

libiperf is incompatible with how whatip works, it uses a goto to error
out and quit, and I haven't been able to intercept or avoid it, making
the whole application functionally crash when an error occurs. Hopefully
this can be addressed in the future, but for now it has to go