Update 'install.sh'

make sure we pick up updated path after each run

install.sh

@@ -16,6 +16,8 @@ function run_install {
 
     # run modular setup scripts
     for FN in $HOME/Library/user-setup/*.sh ; do
+        source $HOME/.profile
+        source $HOME/.bashrc
         echo "new-user-setup: starting $(basename $FN)..."
         bash "$FN" 2>&1 | tee -a $HOME/Library/Logs/user-setup.log
         rm "$FN"