Prevent errors under mavericks, add friendly text

• The previous script would not run under mavericks. I've fixed that by adding all the on/ends that are somehow required

• Added more friendly text for novice users and those wishing to use as a gateway for iMessage to Android
fixed unicode char

≠
Merge pull request #1 from jkmaxwell/patch-1

Prevent errors under mavericks, add friendly text