Require bash as necessary. Direct user to zbstudio install instructions.

install.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 echo
 zs_dest=/opt/zbstudio
 if [ "$1" == "uninstall" ]; then
@@ -88,7 +88,7 @@ if [ ! -d "$zs_dest" ]; then
 fi
 if [ ! -d "$zs_dest" ]; then
   echo "ERROR: nothing done since missing $zs_dest."
-  echo "You first must install ZeroBrane studio."
+  echo "You first must install ZeroBrane studio (See readme)."
   exit 3
 fi
 cd "$mi_path"