Duplicate SPDY activation. Close #49
Naxsi updated to 0.53 and added to nginx-extras

commit 9eb4e1a8f14a5185c920f797744a87c138892f5f
Author: Guillaume Plessis <gui@dotdeb.org>
Date:   Sun Apr 13 16:02:06 2014 -0700

    naxsi includes some binaries

commit 6edfdf48f2026c6261cf21f03ba47f51ec588b60
Author: Guillaume Plessis <gui@dotdeb.org>
Date:   Sun Apr 13 15:54:17 2014 -0700

    Naxsi update

commit f19698dfcc8c7da3a6d6bd3aa9fada4bf7088384
Author: Guillaume Plessis <gui@dotdeb.org>
Date:   Fri Mar 7 10:54:34 2014 +0100

    naxsi in nginx-extras

commit 20a18f68b546a679e11cbfdce0a092daba0017e9
Author: Guillaume Plessis <gui@dotdeb.org>
Date:   Fri Mar 7 10:50:16 2014 +0100

    updates naxsi_core.rules

commit c1efa53b7db88d67946728544ebaf05ad8abbc9a
Author: Guillaume Plessis <gui@dotdeb.org>
Date:   Fri Mar 7 10:49:55 2014 +0100

    naxsi-ui is no longer included in naxsi

commit cd61cfdc5a3a7ba25307a156ac3ae174d9a98bcb
Author: Guillaume Plessis <gui@dotdeb.org>
Date:   Fri Mar 7 10:38:53 2014 +0100

    Naxsi as a submodule

commit 0c708d8b290351ca7ca4d559cf681ff13e4d0a83
Author: Guillaume Plessis <gui@dotdeb.org>
Date:   Fri Mar 7 10:36:30 2014 +0100

    Removes plain naxsi module