Properly disconnect from the mipmap signal when leaving tethering mode.
Two last(?) PATH_MAX
ensure that quick acces preset menu is display correctly
spots: rounded correction. fix bug #10045
Merge pull request #789 from darktable-org/disconnect-signal

Properly disconnect from the mipmap signal when leaving tethering mode.
OSX HiDPI: revert for icons drawn using GdkPixbuf, can't scale them