URL Cleanup (spring-cloud#892)

This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

# Fixed URLs

## Fixed Success 
These URLs were switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

* http://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch migrated to:  
  https://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch ([https](https://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch) result 200).
* http://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin migrated to:  
  https://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin ([https](https://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin) result 200).
* http://www.apache.org/licenses/LICENSE-2.0 migrated to:  
  https://www.apache.org/licenses/LICENSE-2.0 ([https](https://www.apache.org/licenses/LICENSE-2.0) result 200).
* http://www.spring.io migrated to:  
  https://www.spring.io ([https](https://www.spring.io) result 301).

# Ignored
These URLs were intentionally ignored.

* http://maven.apache.org/POM/4.0.0
* http://maven.apache.org/xsd/maven-4.0.0.xsd
* http://www.w3.org/2001/XMLSchema-instance

Author: Spring Operator

docs/src/main/asciidoc/ghpages.sh

@@ -40,7 +40,7 @@ function check_if_anything_to_sync() {
 
 function retrieve_current_branch() {
     # Code getting the name of the current branch. For master we want to publish as we did until now
-    # http://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch
+    # https://stackoverflow.com/questions/1593051/how-to-programmatically-determine-the-current-checked-out-git-branch
     # If there is a branch already passed will reuse it - otherwise will try to find it
     CURRENT_BRANCH=${BRANCH}
     if [[ -z "${CURRENT_BRANCH}" ]] ; then
@@ -147,7 +147,7 @@ function copy_docs_for_current_version() {
         COMMIT_CHANGES="yes"
     else
         echo -e "Current branch is [${CURRENT_BRANCH}]"
-        # http://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin
+        # https://stackoverflow.com/questions/29300806/a-bash-script-to-check-if-a-string-is-present-in-a-comma-separated-list-of-strin
         if [[ ",${WHITELISTED_BRANCHES_VALUE}," = *",${CURRENT_BRANCH},"* ]] ; then
             mkdir -p ${ROOT_FOLDER}/${CURRENT_BRANCH}
             echo -e "Branch [${CURRENT_BRANCH}] is whitelisted! Will copy the current docs to the [${CURRENT_BRANCH}] folder"

mvnw

@@ -1,4 +1,23 @@
 #!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
 # ----------------------------------------------------------------------------
 # Maven2 Start Up Batch script
 #

mvnw.cmd

@@ -1,3 +1,22 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
 @REM ----------------------------------------------------------------------------
 @REM Maven2 Start Up Batch script
 @REM

pom.xml

@@ -32,7 +32,7 @@
 	<licenses>
 		<license>
 			<name>Apache License, Version 2.0</name>
-			<url>http://www.apache.org/licenses/LICENSE-2.0</url>
+			<url>https://www.apache.org/licenses/LICENSE-2.0</url>
 		</license>
 	</licenses>
 	<developers>
@@ -41,7 +41,7 @@
 			<name>Spencer Gibb</name>
 			<email>sgibb at pivotal.io</email>
 			<organization>Pivotal Software, Inc.</organization>
-			<organizationUrl>http://www.spring.io</organizationUrl>
+			<organizationUrl>https://www.spring.io</organizationUrl>
 			<roles>
 				<role>Project lead</role>
 			</roles>