link fixing

Author: puredanger

content/api/api.adoc

@@ -26,7 +26,7 @@ Documentation for Clojure <<xref/../../dev/contrib_libs#,contrib libraries>>:
 == Other resources
 
 * https://clojuredocs.org[ClojureDocs] - community provided example repository
-* https://cljdoc.org/[cljdoc] - library documentation
+* https://cljdoc.org[cljdoc] - library documentation
 
 == Deprecated (pre Clojure 1.3)
 

content/guides/getting_started.adoc

@@ -60,5 +60,5 @@ Also check out:
 There are many places to interact with other Clojure developers:
 
 * https://ask.clojure.org[Ask Clojure] [official] - Clojure Q&A and knowledge base
-* https://clojurians.net[Clojurians Slack channel] - Clojure live chat, check out #beginners, #jobs, etc
+* http://clojurians.net[Clojurians Slack channel] - Clojure live chat, check out #beginners, #jobs, etc
 * https://clojureverse.org[Clojureverse] - Clojure forum

content/releases/devchangelog.adoc

@@ -680,7 +680,7 @@ clj -A:clj/next
 - https://clojure.atlassian.net/browse/CLJ-2128[CLJ-2128] spec error during macroexpand no longer throws compiler exception with location
 - Updated to use spec.alpha 0.1.123
 
-=== https://groups.google.com/forum/#!topic/clojure/nB4qnDNGS2A[1.9.0-alpha16] (Apr 27, 2017)
+=== https://groups.google.com/g/clojure/c/nB4qnDNGS2A[1.9.0-alpha16] (Apr 27, 2017)
 
 1.9.0-alpha16 includes the following changes since 1.9.0-alpha15: