Replace SegmentedFunction -> syncblock

commit a13e57db86769333696c00d7bfd02e5ec6a507f0
Author: mohayonao <mohayonao@gmail.com>
Date:   Tue Dec 3 11:19:43 2013 +0900

    build

commit b03d5ce4ebfe40ace313946daa2d67978f8596e5
Author: mohayonao <mohayonao@gmail.com>
Date:   Tue Dec 3 11:19:01 2013 +0900

    Fixed syncblock

commit eed76851d47897fb577cca520b9285f47f740387
Author: mohayonao <mohayonao@gmail.com>
Date:   Tue Dec 3 09:58:42 2013 +0900

    Improved nesting syncblock

commit 59d91da2efd71b7d34b3ea0a7072fc003e2865da
Author: mohayonao <mohayonao@gmail.com>
Date:   Tue Dec 3 09:39:18 2013 +0900

    Rename SyncBlock -> syncblock

commit 8eb7158d8c2f576ce1b099b382041bc9b2b06012
Author: mohayonao <mohayonao@gmail.com>
Date:   Tue Dec 3 09:37:23 2013 +0900

    Rename seg -> syncblock
Updated examples