Tweaks to the GitHub templates, per discussion with @bltierney.

.github/CONTRIBUTING.md

@@ -20,12 +20,14 @@ have been asked (and maybe even answered) before.
 http://fasterdata.es.net/ has some information on the use of various
 bandwidth measurement tools, including iperf3.  The iperf3
 documentation Web site at http://software.es.net/iperf/ contains
-various bits of helpful information, including an FAQ.
+various bits of helpful information, including a list of
+[frequently-asked questions](http://software.es.net/iperf/faq.html).
 
 We specifically discourage the use of the issue tracker on the iperf3
 GitHub project page for asking questions.  Questions posted in the
 form of issues may go unanswered.  Please use a questions site
-such as Stack Overflow to ask questions of the community or
+such as [Stack Overflow](http://www.stackoverflow.com)
+to ask questions of the community or
 alternatively use the iperf3 mailing list at
 iperf-dev@googlegroups.com (posting requires joining the list).
 

.github/ISSUE_TEMPLATE.md

@@ -2,7 +2,9 @@ _NOTE: The iperf3 issue tracker is for registering bugs, enhancement
 requests, or submissions of code.  It is not a means for asking
 questions about building or using iperf3.  Those are best directed
 towards the iperf3 mailing list at iperf-dev@google-groups.com or
-question sites such as Stack Overflow (http://www.stackoverflow.com/)._
+question sites such as Stack Overflow
+(http://www.stackoverflow.com/).  A list of frequently-asked questions
+regarding iperf3 can be found at http://software.es.net/iperf/faq.html._
 
 # Context
 
@@ -20,15 +22,28 @@ iperf3 on Windows, iOS, or Android._
 * Other relevant information (for example, non-default compilers,
   libraries, cross-compiling, etc.):
 
-# Behavior
+_Please fill out one of the "Bug Report" or "Enhancement Request"
+sections, as appropriate._
+
+# Bug Report
 
 * Expected Behavior
 
 * Actual Behavior
 
+* Steps to Reproduce
+
 * Possible Solution
 
 _Please submit patches or code changes as a pull request._
 
-* Steps to Reproduce (in case of bugs)
+# Enhancement Request
 
+* Current behavior
+
+* Desired behavior
+
+* Implementation notes
+
+_If submitting a proposed implementation of an enhancement request,
+please use the pull request mechanism._

.github/PULL_REQUEST_TEMPLATE.md

@@ -17,7 +17,8 @@ such enhancements or derivative works thereof, in binary and source code form.
 _The complete iperf3 license is available in the `LICENSE` file in the
 top directory of the iperf3 source tree._
 
-* Version of iperf (or development branch, such as `master` or `3.1-STABLE`):
+* Version of iperf3 (or development branch, such as `master` or
+  `3.1-STABLE`) to which this pull request applies:
 
 * Issues fixed (if any):