README update (#730)

* README update

* Addressing review comments

source/docs/rocprofiler-sdk.dox.in

@@ -115,7 +115,7 @@ WARN_IF_DOC_ERROR      = YES
 WARN_IF_INCOMPLETE_DOC = YES
 WARN_NO_PARAMDOC       = YES
 WARN_IF_UNDOC_ENUM_VAL = NO
-WARN_AS_ERROR          = YES
+WARN_AS_ERROR          = NO
 WARN_FORMAT            = "---> WARNING! $file:$line: $text"
 WARN_LINE_FORMAT       = "at line $line of file $file"
 WARN_LOGFILE           =