DATACMNS-1500 - URL Cleanup.

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://maven.apache.org/xsd/maven-4.0.0.xsd with 1 occurrences migrated to:
  https://maven.apache.org/xsd/maven-4.0.0.xsd ([https](https://maven.apache.org/xsd/maven-4.0.0.xsd) result 200).
* http://www.springframework.org/schema/beans/spring-beans.xsd with 3 occurrences migrated to:
  https://www.springframework.org/schema/beans/spring-beans.xsd ([https](https://www.springframework.org/schema/beans/spring-beans.xsd) result 200).
* http://www.springframework.org/schema/context/spring-context.xsd with 1 occurrences migrated to:
  https://www.springframework.org/schema/context/spring-context.xsd ([https](https://www.springframework.org/schema/context/spring-context.xsd) result 200).
* http://www.springframework.org/schema/data/repository/spring-repository.xsd with 1 occurrences migrated to:
  https://www.springframework.org/schema/data/repository/spring-repository.xsd ([https](https://www.springframework.org/schema/data/repository/spring-repository.xsd) result 200).
* http://www.springframework.org/schema/oxm/spring-oxm.xsd with 1 occurrences migrated to:
  https://www.springframework.org/schema/oxm/spring-oxm.xsd ([https](https://www.springframework.org/schema/oxm/spring-oxm.xsd) result 200).

# Ignored
These URLs were intentionally ignored.

* http://maven.apache.org/POM/4.0.0 with 2 occurrences
* http://www.springframework.org/schema/beans with 6 occurrences
* http://www.springframework.org/schema/context with 2 occurrences
* http://www.springframework.org/schema/data/jaxb with 1 occurrences
* http://www.springframework.org/schema/data/repository with 2 occurrences
* http://www.springframework.org/schema/oxm with 2 occurrences
* http://www.w3.org/2001/XMLSchema-instance with 4 occurrences
* http://www.w3.org/2005/Atom with 1 occurrences

Original Pull Request: #366

pom.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 

src/test/resources/org/springframework/data/repository/config/populators.xml

@@ -2,9 +2,9 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:repository="http://www.springframework.org/schema/data/repository"
 	xmlns:oxm="http://www.springframework.org/schema/oxm"
-	xsi:schemaLocation="http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm.xsd
-		http://www.springframework.org/schema/data/repository http://www.springframework.org/schema/data/repository/spring-repository.xsd
-		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/oxm https://www.springframework.org/schema/oxm/spring-oxm.xsd
+		http://www.springframework.org/schema/data/repository https://www.springframework.org/schema/data/repository/spring-repository.xsd
+		http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd">
 		
 	<repository:jackson2-populator id="jackson2-populator"
 		locations="classpath:org/springframework/data/repository/init/data.json" />

src/test/resources/org/springframework/data/web/config/manual.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd">
 
 	<bean class="org.springframework.data.web.PagedResourcesAssembler">
 		<constructor-arg>

src/test/resources/org/springframework/data/web/config/via-config-class.xml

@@ -2,8 +2,8 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xmlns:context="http://www.springframework.org/schema/context"
-	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
+	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
 
 	<context:annotation-config />