screenIsReadOnly offers a performance boost, we lost it somewhere
I don't know how we lost this either
Merge https://github.com/jsmess/jsmess into greatwhitebuffalo
Dupe screenIsReadOnly property
Muting and unmuting
Fixes for unneeded dependency resolution and makefile bugs
Merge pull request #79 from vitorio/greatwhitebuffalo

Muting and unmuting