Merge pull request #3 from duckietown/liam-devel

instructions for mac

README.md

@@ -18,16 +18,27 @@ Then install Docker:
 
 *Note*: you need to be in group `docker`. The script adds you, but it does not take effect immediately. You need to exit the console and re-enter.
 
-# Compiling
+*Note*: for Mac this is not needed
+
+# Install other dependencies
+
+## Mac OS
+
+    $ brew install coreutils
 
-Note: On Ubuntu, make sure to have `git 2.13+` and `git lfs 2.5+`. To install the latest versions of these, run the following commands:
+## Ubuntu
+
+Make sure to have `git 2.13+` and `git lfs 2.5+`. 
+To install the latest versions of these, run the following commands:
 
 1. `sudo add-apt-repository ppa:git-core/ppa && sudo apt update && sudo apt install git`
 2. `curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | sudo bash`
 3. `sudo apt-get install git-lfs`
 4. `git lfs install`
 5. `git lfs pull` (inside documentation directory)
 
+# Compiling
+
 Then compile using:
 
-    $ make compile-docker
+    $ make compile-docker