SourceFormatter - Typo
SourceFormatter - Move source-formatter.properties to root folder
SourceFormatter - Only append property for excludes properties, otherwise only read when not exists yet
SourceFormatter - Rename properties
SourceFormatter - Always ignore tools/sdk
SourceFormatter - Check fileNames in source-formatter.properties
SourceFormatter - Keep in sync with other methods and throw regular Exception
SourceFormatter - Remove files that no longer exist