Enabled auto sample docs generation to master branch

.gitignore

@@ -19,3 +19,6 @@ composer.lock
 # Project
 var
 tools
+
+# Groc 
+node_modules

generate-api.sh

@@ -1,4 +1,27 @@
 #!/bin/sh
+
+# Auto Sample Docs Generation
+npm install groc
+
+# Set identity
+git config --global user.email "travis@travis-ci.org"
+git config --global user.name "Travis"
+
+# Checkout Master
+git fetch; git checkout master;
+
+# Run Docs Generation
+cd sample; ../node_modules/groc/bin/groc **/*.php;
+
+# Add and Commit
+git add doc; git commit -m "Updates to Sample Docs"; 
+
+# Push to Master
+git push origin master;
+
+# Back to Home
+cd ..;
+
 # Get ApiGen.phar
 wget http://www.apigen.org/apigen.phar
 
@@ -15,10 +38,6 @@ cp sample/index.php ../gh-pages/sample/index.html
 
 cd ../gh-pages
 
-# Set identity
-git config --global user.email "travis@travis-ci.org"
-git config --global user.name "Travis"
-
 # Add branch
 git init
 git remote add origin https://${GH_TOKEN}@github.com/paypal/PayPal-PHP-SDK.git > /dev/null