Use https for Maven repositories (#11668)

* Use https for Maven repositories

bom/pom.xml

     <repositories>
         <repository>
             <id>vaadin-snapshots</id>
-            <url>http://oss.sonatype.org/content/repositories/vaadin-snapshots</url>
+            <url>https://oss.sonatype.org/content/repositories/vaadin-snapshots</url>
         </repository>
     </repositories>
 

documentation/addons/addons-eclipse.asciidoc

   <ibiblio name="vaadin-addons"
            usepoms="true"
            m2compatible="true"
-           root="http://maven.vaadin.com/vaadin-addons"/>
+           root="https://maven.vaadin.com/vaadin-addons"/>
   ...
 </chain>
 ----

documentation/articles/IBGettingStartedWithVaadinSpringWithoutSpringBoot.asciidoc

 <repositories>
     <repository>
         <id>vaadin-addons</id>
-        <url>http://maven.vaadin.com/vaadin-addons</url>
+        <url>https://maven.vaadin.com/vaadin-addons</url>
     </repository>
 </repositories>
 ....

pom.xml

             <repositories>
                 <repository>
                     <id>vaadin-prereleases</id>
-                    <url>http://maven.vaadin.com/vaadin-prereleases</url>
+                    <url>https://maven.vaadin.com/vaadin-prereleases</url>
                 </repository>
             </repositories>
             <build>

scripts/GeneratePublishReportPart1.py

 
 mavenUrl = ""
 if not prerelease:
-	mavenUrl = "http://repo1.maven.org/maven2/com/vaadin/vaadin-server/"
+	mavenUrl = "https://repo1.maven.org/maven2/com/vaadin/vaadin-server/"
 	content += "<tr><td></td><td><a href='{mvnUrl}'>Check {ver} is published to maven.org (might take a while)</td></tr>".format(ver=args.version, mvnUrl=mavenUrl)
 else:
-	mavenUrl = "http://maven.vaadin.com/vaadin-prereleases/com/vaadin/vaadin-server/"
+	mavenUrl = "https://maven.vaadin.com/vaadin-prereleases/com/vaadin/vaadin-server/"
 	content += "<tr><td></td><td><a href='{mvnUrl}'>Check {ver} is published as prerelease to maven.vaadin.com</td></tr>".format(ver=args.version, mvnUrl=mavenUrl)
 
 content += "<tr><td></td><td><a href=\"https://github.com/vaadin/framework/milestones\">Create milestone for next version in GitHub</a></td></tr>"

test/pom.xml

         </repository>
         <repository>
             <id>vaadin-addons</id>
-            <url>http://maven.vaadin.com/vaadin-addons</url>
+            <url>https://maven.vaadin.com/vaadin-addons</url>
         </repository>
         <repository>
             <id>vaadin-prereleases</id>
-            <url>http://maven.vaadin.com/vaadin-prereleases</url>
+            <url>https://maven.vaadin.com/vaadin-prereleases</url>
         </repository>
     </repositories>
 

test/servlet-containers/generic/build.xml

         location="${uitest.dir}/target/${module.name}-8.2-SNAPSHOT-jboss6.war" />
 
     <!-- Need to give a default value to keep Ivy happy -->
-    <property name="vaadin.build.repository" value="http://maven.vaadin.com/vaadin-prereleases"/>
+    <property name="vaadin.build.repository" value="https://maven.vaadin.com/vaadin-prereleases"/>
 
     <target name="clean">
         <fail unless="result.dir" message="No result.dir parameter given" />

test/servlet-containers/generic/ivysettings.xml

     <resolvers>
         <ibiblio name="public" m2compatible="true" />
         <ibiblio name="vaadin-addons" usepoms="true"
-            m2compatible="true" root="http://maven.vaadin.com/vaadin-addons" />
+            m2compatible="true" root="https://maven.vaadin.com/vaadin-addons" />
         <filesystem name="local-maven" m2compatible="true">
             <artifact
                 pattern="${user.home}/.m2/repository/[organisation]/[module]/[revision]/[artifact]-[revision](-[classifier]).[ext]" />

test/servlet-containers/karaf/vaadin-karaf-bundle1/pom.xml

             <repositories>
                 <repository>
                     <id>vaadin-prereleases</id>
-                    <url>http://maven.vaadin.com/vaadin-prereleases</url>
+                    <url>https://maven.vaadin.com/vaadin-prereleases</url>
                 </repository>
                 <repository>
                     <id>vaadin-snapshots</id>
             <pluginRepositories>
                 <pluginRepository>
                     <id>vaadin-prereleases</id>
-                    <url>http://maven.vaadin.com/vaadin-prereleases</url>
+                    <url>https://maven.vaadin.com/vaadin-prereleases</url>
                 </pluginRepository>
                 <pluginRepository>
                     <id>vaadin-snapshots</id>

test/servlet-containers/karaf/vaadin-karaf-bundle2/pom.xml

             <repositories>
                 <repository>
                     <id>vaadin-prereleases</id>
-                    <url>http://maven.vaadin.com/vaadin-prereleases</url>
+                    <url>https://maven.vaadin.com/vaadin-prereleases</url>
                 </repository>
                 <repository>
                     <id>vaadin-snapshots</id>
             <pluginRepositories>
                 <pluginRepository>
                     <id>vaadin-prereleases</id>
-                    <url>http://maven.vaadin.com/vaadin-prereleases</url>
+                    <url>https://maven.vaadin.com/vaadin-prereleases</url>
                 </pluginRepository>
                 <pluginRepository>
                     <id>vaadin-snapshots</id>

testbench-api/pom.xml

     <repositories>
         <repository>
             <id>vaadin-addons</id>
-            <url>http://maven.vaadin.com/vaadin-addons</url>
+            <url>https://maven.vaadin.com/vaadin-addons</url>
         </repository>
     </repositories>
 

uitest/pom.xml

     <repositories>
         <repository>
             <id>vaadin-addons</id>
-            <url>http://maven.vaadin.com/vaadin-addons</url>
+            <url>https://maven.vaadin.com/vaadin-addons</url>
         </repository>
     </repositories>