message: fix home dir path for IOS platform
diff: @@ -7,7 +7,12 @@ impl EnvironmentUtils {
  pub fn sovrin_home_path() -> PathBuf {
  // TODO: FIXME: Provide better handling for the unknown home path case!!!
  let mut path = env::home_dir().unwrap_or(PathBuf::from("/home/sovrin"));
  + if cfg!(target_os = "ios") {
  + path.push("Documents/.sovrin");
  + }
  + else {
  path.push(".sovrin");
  + }
  path
  }
  