Merge pull request #58 from GoryMoon/master

Added Swedish translation
update cs
Merge pull request #59 from SochasCz/patch-2

update cs
refactor
add links to other browsers version
Update messages.json

cs update
Merge pull request #60 from SochasCz/patch-3

Update messages.json
Little rework on the language!

It has been some time. But here it is! I think this is better. Good work as always. Keep it up.
Merge pull request #61 from agua2o/patch-9

Little rework on the language!
add play/pause button to upload custom sound page
fix missed comma
change notification type to `basic`
add notifications permission to opera manifest
firefox localstorage bugfix
cleanup
Update readme.md
change stream image ratio to 16:9
fix build sequence for opera
add opera notifications
Mistakes were fixed
Merge pull request #66 from AlexanderNorup/master

Mistakes were fixed