2nd source release.

1. Test on Linux is finished. Now, you can try to eun on Linux system.
2. gpigen.conf configure file support added. Series of piles can be specified by using onfigure file.
3. pi file support is changed. Pi filese delivered froam http://www.super-computing.org/ can be used. Now 200 Mega pi digits table is supported(if you have enough virtual memory).