vendor the gyb dependency

.gitignore

@@ -69,4 +69,7 @@ fastlane/Preview.html
 fastlane/screenshots
 fastlane/test_output
 
+
+
 /Shared/Secrets.swift
+*.py[cod]

Vendor/gyb

@@ -0,0 +1,3 @@
+#!/usr/bin/env python2.7
+import gyb
+gyb.main()

updateSecrets.sh

@@ -1,12 +1,7 @@
 #!/bin/bash
 
-if [ ! $(type -P "gyb") ]; then
-  echo "gyb not installed. Install via: brew install nshipster/formulae/gyb"
-  exit 1
-fi
-
 find . -name '*.gyb' |
   while read file; do
     echo "running ${file%.gyb}";
-    gyb --line-directive '' -o "${file%.gyb}" "$file";
+    ./Vendor/gyb --line-directive '' -o "${file%.gyb}" "$file";
   done