DOC: assorted typo fixes in the documentation

This is the fourth round of cleanups in various docs
diff --git a/contrib/spoa_server/README b/contrib/spoa_server/README
index fa039c1..341f5f9 100644
--- a/contrib/spoa_server/README
+++ b/contrib/spoa_server/README
@@ -79,7 +79,7 @@
 
 Python:
 
- * Improve repporting: Catch python error message and repport it in the right
+ * Improve reporting: Catch python error message and report it in the right
    place. Today the error are dumped on stdout. How using syslog for logging
    stack traces ?