introduced property for max thread size

Former-commit-id: 4b2175859ada2e8d375486627235ea8892f8d7ce

dependency-check-core/src/main/java/org/owasp/dependencycheck/utils/Settings.java

@@ -141,6 +141,10 @@ public final class Settings {
          * The location of the temporary directory.
          */
         public static final String TEMP_DIRECTORY = "temp.directory";
+        /**
+         * The maximum number of threads to allocate when downloading files.
+         */
+        public static String MAX_DOWNLOAD_THREAD_POOL_SIZE = "max.download.threads";
     }
     /**
      * The properties file location.

dependency-check-core/src/main/resources/dependencycheck.properties

@@ -1,14 +1,13 @@
 application.name=${pom.name}
 application.version=${pom.version}
 autoupdate=true
+max.download.threads=3
 
 #temp.directory defaults to System.getProperty("java.io.tmpdir")
 #temp.directory=[path to temp directory]
 
 # the path to the data directory; if tis
 data.directory=[JAR]/data
-# the path to the lucene index to store the cpe data
-data.cpe=cpe
 # the path to the h2 database to store the nvd cve data
 data.cve=cve