Remove NSColor additions.

- Not needed as we now target OS X 10.8 and up.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Update read me to reflect this forks changes.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Fix a bunch of warnings.

- Mostly just "marked" a few implicit conversion as explicit.
- Also changed some calls (abs -> fabs) where it made sense.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Rename all variables named `index` to `idx`.

- We do not want to shadow the function `index(3)`.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Fix lingering `index` variable.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Fix shadowing of local variables warning.

- Caused by a bug(?), see [radar 10296999](radar://10296999), in the developer
  toolchain.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Fixed live resizing of the grid view
  Added mouseDragged, renamed some methods
resolve merge
remove subspe