Move hello world samples into separate folder

Author: billyjacobson

bigtable/src/hw_create_table.php renamed to bigtable/src/helloworld/create_table.php

@@ -23,7 +23,7 @@
  */
 
 // Include Google Cloud dependendencies using Composer
-require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/../../vendor/autoload.php';
 
 if (count($argv) != 4) {
     return printf("Usage: php %s PROJECT_ID INSTANCE_ID TABLE_ID" . PHP_EOL, __FILE__);

bigtable/src/hw_get_with_filter.php renamed to bigtable/src/helloworld/get_with_filter.php

@@ -23,7 +23,7 @@
  */
 
 // Include Google Cloud dependendencies using Composer
-require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/../../vendor/autoload.php';
 
 if (count($argv) < 3 || count($argv) > 5) {
     return printf("Usage: php %s PROJECT_ID INSTANCE_ID TABLE_ID" . PHP_EOL, __FILE__);

bigtable/src/hw_scan_all.php renamed to bigtable/src/helloworld/scan_all.php

@@ -23,7 +23,7 @@
  */
 
 // Include Google Cloud dependendencies using Composer
-require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/../../vendor/autoload.php';
 
 if (count($argv) < 3 || count($argv) > 5) {
     return printf("Usage: php %s PROJECT_ID INSTANCE_ID TABLE_ID" . PHP_EOL, __FILE__);

bigtable/src/hw_write_rows.php renamed to bigtable/src/helloworld/write_rows.php

@@ -23,7 +23,7 @@
  */
 
 // Include Google Cloud dependendencies using Composer
-require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/../../vendor/autoload.php';
 
 if (count($argv) < 3 || count($argv) > 5) {
     return printf("Usage: php %s PROJECT_ID INSTANCE_ID TABLE_ID" . PHP_EOL, __FILE__);

bigtable/test/bigtableTest.php

@@ -377,7 +377,7 @@ public function testWritingRows()
         $this->createHWTable(self::$projectId, self::$instanceId, self::$clusterId, $tableId);
         $this->checkTable($tableName);
 
-        $content = self::runSnippet('hw_write_rows', [
+        $content = self::runSnippet('helloworld/write_rows', [
             self::$projectId,
             self::$instanceId,
             $tableId
@@ -406,13 +406,13 @@ public function testGettingARow()
         $this->createHWTable(self::$projectId, self::$instanceId, self::$clusterId, $tableId);
         $this->checkTable($tableName);
 
-        self::runSnippet('hw_write_rows', [
+        self::runSnippet('helloworld/write_rows', [
             self::$projectId,
             self::$instanceId,
             $tableId
         ]);
 
-        $content = self::runSnippet('hw_get_with_filter', [
+        $content = self::runSnippet('helloworld/get_with_filter', [
             self::$projectId,
             self::$instanceId,
             $tableId
@@ -432,13 +432,13 @@ public function testScanningAllRows()
         $this->createHWTable(self::$projectId, self::$instanceId, self::$clusterId, $tableId);
         $this->checkTable($tableName);
 
-        self::runSnippet('hw_write_rows', [
+        self::runSnippet('helloworld/write_rows', [
             self::$projectId,
             self::$instanceId,
             $tableId
         ]);
 
-        $content = self::runSnippet('hw_scan_all', [
+        $content = self::runSnippet('helloworld/scan_all', [
             self::$projectId,
             self::$instanceId,
             $tableId
@@ -558,7 +558,7 @@ private function createTable($projectId, $instanceId, $clusterId, $tableId)
 
     private function createHWTable($projectId, $instanceId, $clusterId, $tableId)
     {
-        self::runSnippet('hw_create_table', [
+        self::runSnippet('helloworld/create_table', [
             $projectId,
             $instanceId,
             $tableId