pretty error message

bin/warnings

@@ -2,7 +2,9 @@ shopt -s extglob
 
 pylibmc-missing() {
   if grep -qi 'fatal error: libmemcached/memcached.h: No such file or directory' "$WARNINGS_LOG"; then
-    puts-warn "pylibmc is missing."
+    puts-warn "Hello! There was a problem with your build related to libmemcache."
+    puts-warn "The Python library 'pylibmc' must be explicitly specified in 'requirements.txt' in order to build correctly."
+    puts-warn "Once you do that, everything should work as expected.   -- Much Love, Heroku."
   fi
 }