Corrected POM headers

Author: Lee Rhodes

memory/pom.xml

@@ -3,7 +3,8 @@
      Licensed under the terms of the Apache License 2.0.
      See LICENSE file at the project root for terms. -->
 
-<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_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 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>memory</artifactId>
     <name>${project.parent.groupId}:${project.artifactId}</name>

pom.xml

@@ -3,7 +3,8 @@
      Licensed under the terms of the Apache License 2.0.
      See LICENSE file at the project root for terms. -->
 
-<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_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 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.yahoo.datasketches</groupId>

sketches/pom.xml

@@ -3,9 +3,9 @@
      Licensed under the terms of the Apache License 2.0.
      See LICENSE file at the project root for terms. -->
 
-<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_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 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
-
     <artifactId>sketches-core</artifactId>
     <name>${project.parent.groupId}:${project.artifactId}</name>
     <description>Sketches-core contains the core algorithms used by other repositories in the DataSketches library.</description>