finished interim implementation of qse_timegm() and qse_timelocal().

- currently, they use timegm() and timelocal() provided by libc.
added test programs.

qse/lib/awk/run.h

@@ -1,7 +1,19 @@
 /*
  * $Id: run.h 363 2008-09-04 10:58:08Z baconevi $
  *
- * {License}
+   Copyright 2006-2008 Chung, Hyung-Hwan.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
  */
 
 #ifndef _QSE_LIB_AWK_RUN_H_