Modified the installer such that it now outputs text on successful installation.

install

@@ -6,6 +6,7 @@ import sys
 try:
   shutil.copy('./cheat', '/usr/local/bin/')
   shutil.copytree('./.cheat', expanduser('~') + '/.cheat')
+  print "cheat has been installed successfully."
 except IOError as e:
    print >> sys.stderr, "This installer must be run as root."
    sys.exit(1)