Xcode 4 is showing me grey \"M\" and \"A\" icons next to my files in the project navigator. I believe they\'re related to source control.
The point is this: All my o
Yes, it is related to source control.
"M" means the file has been modified since the last commit, and "A" means the file has been added since the last commit.
If you're using git, you can remove source control by deleting the .git directory in your project folder.