Add 2014/endoh1/try.sh, fix rake.sh, format/typos

The rake.sh script had a typo where '1>&2' was just '1>2'.

The README.md and spoilers.md files were format and typo checked.

I believe this should complete 2014/endoh1.

2014/endoh1/rake.sh

@@ -20,7 +20,7 @@ if ! type -P rake >/dev/null 2>&1; then
     else
 	echo "Please run the following command as root or via sudo:" 1>&2
 	echo ""
-	echo "	   gem install rake" 1>2
+	echo "	   gem install rake" 1>&2
 	echo "" 1>&2
 	echo "and then try running make rake or running $0 again" 1>&2
     fi