[gmime] Update HACKING

[Jeffrey Stedfast <fejj src gnome org>]

commit b66b0541d128fad9f33dd7792c53f3d89befb761
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Sun Mar 5 08:37:52 2017 -0500

    Update HACKING

 HACKING |   13 ++++---------
 1 files changed, 4 insertions(+), 9 deletions(-)
---
diff --git a/HACKING b/HACKING
index 5c6ab46..aeab64f 100644
--- a/HACKING
+++ b/HACKING
@@ -1,10 +1,5 @@
+Rules for commits on the gmime module
+=====================================
 
-     Rules for commits on the gmime module
-     =====================================
-
-ALWAYS update the ChangeLog accurately when commiting changes to
-gmime. This is as much for me as it is for any other contributors.
-It allows everyone to know exactly what's being modified and when.
-
-Please also try to conform to the same coding conventions used within
-this module (such as tab-width and brace location).
+Please try to conform to the same coding conventions used within
+this module (such as tab-width, brace location, and white-space).