Mark Matt Heath as agreed to donate contributions to ASF

 ref: #1751

 patch by Mick Semb Wever; reviewed by James Hartig for CASSANDRA-19723

Author: michaelsembwever

NOTICE

@@ -90,7 +90,7 @@ Zach Badgett <zach.badgett@gmail.com>
 Maciek Sakrejda <maciek@heroku.com> *
 Jeff Mitchell <jeffrey.mitchell@gmail.com>
 Baptiste Fontaine <b@ptistefontaine.fr> *
-Matt Heath <matt@mattheath.com>
+Matt Heath <matt@mattheath.com> *
 Jamie Cuthill <jamie.cuthill@gmail.com>
 Adrian Casajus <adriancasajus@gmail.com> *
 John Weldon <johnweldon4@gmail.com> *