use https links where possible

Author: Philippus

_includes/footerbar.txt

@@ -2,8 +2,8 @@
 	<div class="container">
 		<ul>
 			<li><h5>API</h5></li>
-			<li><a href="http://www.scala-lang.org/api/current/">Current</a></li>
-			<li><a href="http://www.scala-lang.org/files/archive/nightly/2.12.x/api/2.12.x/">Nightly</a></li>
+			<li><a href="https://www.scala-lang.org/api/current/">Current</a></li>
+			<li><a href="https://www.scala-lang.org/files/archive/nightly/2.12.x/api/2.12.x/">Nightly</a></li>
 		</ul>
 		<ul>
 			<li><h5>Learn</h5></li>
@@ -18,9 +18,9 @@
 		</ul>
 		<ul>
 			<li><h5>Contribute</h5></li>
-			<li><a href="http://github.com/scala/scala.github.com">Source Code</a></li>
+			<li><a href="https://github.com/scala/scala.github.com">Source Code</a></li>
 			<li><a href="{{ site.baseurl }}/contribute.html">Contributors Guide</a></li>
-			<li><a href="http://getsatisfaction.com/scaladocs">Suggestions</a></li>
+			<li><a href="https://getsatisfaction.com/scaladocs">Suggestions</a></li>
 		</ul>
 		<ul>
 			<li><h5>Other Resources</h5></li>

_includes/topbar.txt

@@ -9,8 +9,8 @@
                 <li class="menu">
                       <a href="#" class="menu">API</a>
                       <ul class="menu-dropdown">
-                        <li><a href="http://www.scala-lang.org/api/current/">Current</a></li>
-                        <li><a href="http://www.scala-lang.org/files/archive/nightly/2.12.x/api/2.12.x/">Nightly</a></li>
+                        <li><a href="https://www.scala-lang.org/api/current/">Current</a></li>
+                        <li><a href="https://www.scala-lang.org/files/archive/nightly/2.12.x/api/2.12.x/">Nightly</a></li>
                         <!--<li class="divider"></li>
                         <li><a href="#">Previous Versions</a></li>
                         -->