message: Update ios.md
  brew install commonly fails on modern versions of OSX, where the symlink needs to be manually added. I added instructions to chown /usr/local/*, which will allow for this.
diff: @@ -22,6 +22,15 @@ Then install
  brew install automake
  brew install libtool
  ```
  +If you get an error where either automake or libtool install but do not link correctly, you'll first need to:
  +```bash
  +sudo chown -R $(whoami) /usr/local/*
  +```
  +Then follow the instructions to perform the linking:
  +```bash
  +brew link automake
  +brew link libtool
  +```
  Then you need to run a shell script to download the dependencies you need:
  