Re-arrange Platform order, document go versions

Jenkinsfile

@@ -22,12 +22,23 @@ currentBuild.rawBuild.getParent().setQuietPeriod(0)
 
 library 'jenkins-pipeline-library@CRE-705'
 
+/*
+  Go Version examples:
+    auto-v1.17.x: Latest patch of 1.17 release
+    auto-v1.17.2: Specific patch of 1.17 release
+    auto-v1.17.0: First release of 1.17 (Despite go versioning this as 1.17)
+    auto-latest: Most recent patch version of latest minor release
+    auto-previous: Most recent patch version of previous minor release
+    auto-2previous: Most recent patch version of second last minor release
+
+  Adoption of new versions into these may be delayed.
+*/
 builder.goapi([
-  "validationGoVer": 'auto-v1.17.x',
   "buildCheckGoVer": 'auto-v1.17.x',
+  "validationGoVer": 'auto-v1.17.x',
   "getTestPermutations": {
     List<List<String>> permutations = []
-    for (platform in [builder.LINUX_ARM, builder.DARWIN_X86_64, builder.LINUX_X86_64, builder.DARWIN_ARM, builder.LINUX_MUSL]) {
+    for (platform in [builder.LINUX_ARM, builder.LINUX_X86_64, builder.LINUX_MUSL, builder.DARWIN_X86_64,  builder.DARWIN_ARM]) {
       for (gover in ['auto-v1.17.x']) {
         permutations << [platform, gover]
       }