POM: use https as appropriate

Author: ctrueden

pom.xml

@@ -32,7 +32,7 @@
 		<developer>
 			<id>ctrueden</id>
 			<name>Curtis Rueden</name>
-			<url>http://imagej.net/User:Rueden</url>
+			<url>https://imagej.net/User:Rueden</url>
 			<roles>
 				<role>lead</role>
 				<role>developer</role>
@@ -45,7 +45,7 @@
 		<developer>
 			<id>stelfrich</id>
 			<name>Stefan Helfrich</name>
-			<url>http://imagej.net/User:Stelfrich</url>
+			<url>https://imagej.net/User:Stelfrich</url>
 			<roles>
 				<role>developer</role>
 				<role>debugger</role>
@@ -58,13 +58,13 @@
 	<contributors>
 		<contributor>
 			<name>Johannes Schindelin</name>
-			<url>http://imagej.net/User:Schindelin</url>
+			<url>https://imagej.net/User:Schindelin</url>
 			<roles><role>founder</role></roles>
 			<properties><id>dscho</id></properties>
 		</contributor>
 		<contributor>
 			<name>Mark Hiner</name>
-			<url>http://imagej.net/User:Hinerm</url>
+			<url>https://imagej.net/User:Hinerm</url>
 			<properties><id>hinerm</id></properties>
 		</contributor>
 	</contributors>