add install/update.bat

install.bat

+@echo off
+title Install Vitis App
+echo Install Vitis App
+
+cd utils
+call init_tree.bat
+call copy_hooks.bat
+
+cd ../client/conf
+call npm install grunt --save
+call npm install grunt-cli
+call npm install grunt-closure-tools --save
+call npm install google-closure-compiler@20160911.0.0 --save
+call npm install google-closure-library@20160911.0.0 --save
+call grunt
+
+cd ..
+pause

update.bat

+@echo off
+title Update Vitis App
+echo Update Vitis App
+
+call utils/update_tree.bat
+
+cd client/conf
+call grunt
+
+pause