Squashed commit of the following:

commit 219a904fea95c74016229b6f4436d4f09de1bfd0
Author: Evan Hunt <each@isc.org>
Date:   Mon Jun 2 12:20:54 2014 -0700

    [rt35942] style

commit 90bc77185e9798af4595989abb8698efef8c70d7
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 18:01:30 2014 +0530

    Return p-value=0 when prerequisite (monobit) fails

commit 5594669728f1181a447616f60b835e4a043d1b21
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 17:44:25 2014 +0530

    Print proportion of test sequences passing too

commit 9e94b67a4114651224a8285f7c4a7fb03907f376
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 17:34:03 2014 +0530

    Check uniform distribution of p-values

commit acf911b32dd84ac1c30c57d8937cfeb6b3ff972f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 17:17:39 2014 +0530

    Check proportion of sequences passing a test

commit 7289eb441fc4ec623364ad882e22b240ba8da308
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 04:33:37 2014 +0530

    Refactor common setup code into random_test()

    No behavioral change is made.

commit 51feef3e08c233d34a6b8b9d25a72d43110b4eed
Author: Mukund Sivaraman <muks@isc.org>
Date:   Sun Jun 1 17:31:57 2014 +0530

    Fix binary rank computation

commit 0ea3c03dea353f309d13c38e26aa0abbffdcff2b
Author: Mukund Sivaraman <muks@isc.org>
Date:   Tue May 27 06:01:10 2014 +0530

    Add binary matrix rank RNG test

commit eb4e7c53540ac97436d94714d30084907eeff01a
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 15:45:31 2014 +0530

    Add function to find rank of a binary matrix

commit 1292a06e0e09ebd37d4ecf5337814951dcacc4a4
Author: Evan Hunt <each@isc.org>
Date:   Thu May 29 16:21:51 2014 -0700

    [rt35942] style; check whether we need libm for exp()

commit c19788e5a89235e937a5aedf2ebea50f33406609
Author: Evan Hunt <each@isc.org>
Date:   Thu May 29 15:31:19 2014 -0700

    [rt35942] incidental spelling error fixed

commit c833326ad0df21e2a8b35958e85ccc0a692e38be
Author: Mukund Sivaraman <muks@isc.org>
Date:   Thu May 29 11:34:37 2014 +0530

    Revert "Add function to find rank of a binary matrix"

    This reverts commit 21b2f230e17f7fc638f81d9a34bcb148b0c4a6fb.

    This test will be added in RT#36125.

commit cf786a533d34fdcd9e1c5650356e56d33e93a29f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Thu May 29 11:33:18 2014 +0530

    Revert "Add binary matrix rank RNG test"

    This reverts commit dd843b9ca84fa9af80ec39631152f82778f0b97c.

    This test will be added in RT#36125.

commit dd843b9ca84fa9af80ec39631152f82778f0b97c
Author: Mukund Sivaraman <muks@isc.org>
Date:   Tue May 27 06:01:10 2014 +0530

    Add binary matrix rank RNG test

commit 21b2f230e17f7fc638f81d9a34bcb148b0c4a6fb
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 15:45:31 2014 +0530

    Add function to find rank of a binary matrix

commit 313c30088d6ba933bde3abb920f2a6d16b9b77e1
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 13:38:44 2014 +0530

    Add block frequency random test

commit 0d279c60ed3eabe52cf3e1435bf14ec62752536f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 13:04:03 2014 +0530

    Add preconditions from NIST spec

commit 7a6c5f2ce5078814d5cf0fea30596e58171174c1
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 12:51:03 2014 +0530

    Add functions to use in RNG tests

commit 8c5cb5594f904f6669cdffaa364f799b4a2c6b58
Author: Mukund Sivaraman <muks@isc.org>
Date:   Thu May 22 00:26:10 2014 +0530

    Add runs RNG test

commit 4882f078cc2596c0911066ffb783e4dd145a63ec
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 23:58:20 2014 +0530

    Pre-compute bitcounts LUT

commit 896db3809fba2d9884a4a3a2fa847a73e007ad7f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 23:30:23 2014 +0530

    Fix the bit value being checked (this shouldn't affect the test)

commit b932cbb5dae39eb819db29cf9490fb51d59b7c56
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 19:35:12 2014 +0530

    Add monobits RNG test

commit 7bef19fd8b095aa567a975ef5c97d5812162d92e
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 16:53:02 2014 +0530

    Add API documentation

commit 54483f7feb64b5646dd1da45b1fd396e7d04b926
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 16:39:03 2014 +0530

    Rename isc_rngctx_t to isc_rng_t

commit 7c5031b53555137a82c6b6218cd4dd5e95acf94d
Author: Evan Hunt <each@isc.org>
Date:   Tue May 20 23:29:53 2014 -0700

    [rt35942] use attach/detach with isc_rngctx_t

commit 8aabae5e09888e6af651ed27bd6b4e9f76334d55
Author: Mukund Sivaraman <muks@isc.org>
Date:   Tue May 20 18:32:42 2014 +0530

    Move RNG from dispatch.c to libisc

commit e6d4ad4f389998b91d46e95e258cf420cb21d977
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 12 19:16:27 2014 +0530

    Replace old arc4random with new ChaCha implementation from OpenBSD