Merge remote-tracking branch 'origin/master'

python 3 compatibility

setuptools sanity check

suppress pip-grep errors

remove debug statement

support for cryptography!

bugfix!

sub-env

fix for pip-grep

Squashed commit of smart-requirements branch

commit 60a2a9d
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:58:29 2014 -0400

    silent mode

commit 20368e7
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:56:00 2014 -0400

    pylibmc

commit 8a51299
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:55:25 2014 -0400

    fix for pip-grep

commit 0b83a0a
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:50:35 2014 -0400

    cat that shit

commit 27095d3
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:49:11 2014 -0400

    don't silence the output

commit db15ac2
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:46:55 2014 -0400

    hello

commit 6b85181
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:41:37 2014 -0400

    cleanup

commit b2ccf76
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:41:14 2014 -0400

    remove last debugging statement

commit fdcb7a2
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:39:10 2014 -0400

    remove debugging statements

commit dd58a89
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:36:02 2014 -0400

    bp watch

commit c722f6e
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:34:34 2014 -0400

    install finished

commit 81644ba
Author: Kenneth Reitz <[email protected]>
Date:   Fri Aug 1 14:33:04 2014 -0400

    install started

commit 62d0e3b
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 14:54:59 2014 -0400

    debug

commit 1775a1b
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 13:01:15 2014 -0400

    test0

commit 3d20cf8
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:57:07 2014 -0400

    test2/2

commit 751d749
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:50:11 2014 -0400

    silent mode

commit f927b7b
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:44:58 2014 -0400

    pylibmc with pip-grep

commit 00dfc36
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:41:11 2014 -0400

    no debug echo

commit 38d78d8
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:40:06 2014 -0400

    source, not subenv

commit f455de1
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:36:35 2014 -0400

    don't print "installing dependencies with pip" twice

commit e72ed7d
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:35:47 2014 -0400

    refactor

commit 64819d9
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:24:26 2014 -0400

    pip-grep

commit 5e075dd
Author: Kenneth Reitz <[email protected]>
Date:   Thu Jul 31 12:24:13 2014 -0400

    no more travis

commit bc9baba
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 13:32:40 2014 -0400

    if not requirement

commit 0918d78
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 13:28:28 2014 -0400

    only use requirments that are truthy

commit 4f0f750
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 13:25:15 2014 -0400

    new version of pip-diff

commit d13b397
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 13:12:23 2014 -0400

    ignore errors for pip-diff

commit bb09fb0
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 12:55:55 2014 -0400

    uninstall the packages

commit 29b2e1f
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 12:47:21 2014 -0400

    maybe this one should be relative

commit 2448558
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 12:44:04 2014 -0400

    docopt

commit 47010d2
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 29 12:40:36 2014 -0400

    first pass at pip-pop integration

commit 59ac591
Author: Kenneth Reitz <[email protected]>
Date:   Tue Jul 22 14:42:08 2014 -0400

    copy requirements