gnu: go-github-com-blang-semver: Move to golang-xyz.

* gnu/packages/golang.scm (go-github-com-blang-semver): Move
from here ...
* gnu/packages/golang-xyz.scm: ... to here.

* gnu/packages/education.scm: Add (gnu packages golang-xyz) module.
* gnu/packages/ipfs.scm: As above.

Change-Id: I620543088661512bcc8135922a454c5f2dc73119

gnu/packages/education.scm

@@ -49,6 +49,7 @@
   #:use-module (gnu packages golang)
   #:use-module (gnu packages golang-build)
   #:use-module (gnu packages golang-check)
+  #:use-module (gnu packages golang-xyz)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages gstreamer)
   #:use-module (gnu packages image)

gnu/packages/golang-xyz.scm

@@ -89,6 +89,30 @@ optimized for sparse nodes of
 @url{http://en.wikipedia.org/wiki/Radix_tree,radix tree}.")
     (license license:expat)))
 
+(define-public go-github-com-blang-semver
+  (let ((commit "60ec3488bfea7cca02b021d106d9911120d25fe9")
+        (revision "0"))
+    (package
+      (name "go-github-com-blang-semver")
+      (version (git-version "0.0.0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/blang/semver")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "19pli07y5592g4dyjyj0jq5rn548vc3fz0qg3624vm1j5828p1c2"))))
+      (build-system go-build-system)
+      (arguments
+       '(#:import-path "github.com/blang/semver"))
+      (home-page "https://github.com/blang/semver")
+      (synopsis "Semantic versioning library written in Go")
+      (description
+       "Semver is a library for Semantic versioning written in Go.")
+      (license license:expat))))
+
 (define-public go-github-com-bmizerany-perks-quantile
   (package
     (name "go-github-com-bmizerany-perks-quantile")

gnu/packages/golang.scm

@@ -4020,30 +4020,6 @@ to use line-based tools such as grep to search for what you want and see the
 absolute \"path\" to it.")
     (license license:expat)))
 
-(define-public go-github-com-blang-semver
-  (let ((commit "60ec3488bfea7cca02b021d106d9911120d25fe9")
-        (revision "0"))
-    (package
-      (name "go-github-com-blang-semver")
-      (version (git-version "0.0.0" revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/blang/semver")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "19pli07y5592g4dyjyj0jq5rn548vc3fz0qg3624vm1j5828p1c2"))))
-      (build-system go-build-system)
-      (arguments
-       '(#:import-path "github.com/blang/semver"))
-      (home-page "https://github.com/blang/semver")
-      (synopsis "Semantic versioning library written in Go")
-      (description "Semver is a library for Semantic versioning written in Go.")
-      (license license:expat))))
-
 (define-public go-github-com-google-cadvisor
   (let ((commit "2ed7198f77395ee9a172878a0a7ab92ab59a2cfd")
         (revision "0"))