*: Move inside testsuite/21_strings/basic_string/operations/data/.

2013-06-27  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/21_strings/basic_string/operations/*: Move inside
	testsuite/21_strings/basic_string/operations/data/.
	* testsuite/21_strings/basic_string/compare/*: Move inside
	testsuite/21_strings/basic_string/operations/.
	* testsuite/21_strings/basic_string/find/*: Likewise.
	* testsuite/21_strings/basic_string/rfind/*: Likewise.
	* testsuite/21_strings/basic_string/substr/*: Likewise.

From-SVN: r200570