Git: update contributing page to use ArduPilot instead of APM

.github/CONTRIBUTING.md

@@ -1,4 +1,4 @@
-# How to contribute to the APM project?
+# How to contribute to the ArduPilot project?
 
 If you are reading this page, you are possibly interested in contributing to our project.  We have a very active (and friendly) developer group and would love to have the help!  Possible ways you can help:
 
@@ -10,7 +10,7 @@ If you are reading this page, you are possibly interested in contributing to our
 
 # How to make a good bug report...
 
-* Make sure your bug is not a support issue. Support issues should go to [the APM forums](http://discuss.ardupilot.org). Support issues with logs attached should generally go to the "Log files, Tuning, and Analysis of Log files" section. If you're not sure you have a bug, you should seek support first.
+* Make sure your bug is not a support issue. Support issues should go to [the support forums](http://discuss.ardupilot.org) and include a .bin log file if possible. If you're not sure you have a bug, you should seek support first.
 * Search for your bug, make sure it is not already reported. If it is already reported, make a comment on that issue.
 * Only report one bug per issue report.
 * Write a clear and concise summary. Be specific about what component of the software you are writing about, and follow the convention: "Copter: blah blah blah"