Revert "Merge pull request #884 from wido/test-tmp-dir"

This reverts commit 6841ba6, reversing
changes made to 13b29ba.

Master is currently frozen, no merges without RM approval.
http://mail-archives.apache.org/mod_mbox/cloudstack-dev/201509.mbox/browser

It also broke the build:
[INFO] Apache CloudStack Framework - Jobs ................ SUCCESS [3.448s]
[INFO] Apache CloudStack Cloud Engine Internal Components API  SUCCESS [2.528s]
[INFO] Apache CloudStack Server .......................... FAILURE [24.769s]
[INFO] Apache CloudStack Usage Server .................... SKIPPED

Author: remibergsma

core/test/com/cloud/storage/template/LocalTemplateDownloaderTest.java

@@ -31,7 +31,7 @@ public class LocalTemplateDownloaderTest {
     @Test
     public void localTemplateDownloaderTest() {
         String url =  "file://" + new File("pom.xml").getAbsolutePath();
-        TemplateDownloader td = new LocalTemplateDownloader(null, url, System.getProperty("java.io.tmpdir"), TemplateDownloader.DEFAULT_MAX_TEMPLATE_SIZE_IN_BYTES, null);
+        TemplateDownloader td = new LocalTemplateDownloader(null, url, "/tmp", TemplateDownloader.DEFAULT_MAX_TEMPLATE_SIZE_IN_BYTES, null);
         long bytes = td.download(true, null);
         if (!(bytes > 0)) {
             fail("Failed download");