Scope of types for named values in attributes improperly set as assembly where attribute is defined

fixes https://github.com/Microsoft/visualfsharp/issues/82
closes https://github.com/Microsoft/visualfsharp/pull/568

commit a7e74c8cba301d39bb5b1d07f448dc4bcef88967
Author: latkin <latkin@microsoft.com>
Date:   Thu Aug 13 16:55:32 2015 -0700

    Add tests

commit 6c6cb0e0ebae07c1e55847e2ddbab72bdcffef54
Merge: d2a25c8 01dc5083
Author: Don Syme <donsyme@fastmail.fm>
Date:   Tue Aug 4 20:05:22 2015 +0100

    update

commit d2a25c8db9c55d1ee0bd78c140355ccaa9130fee
Author: Don Syme <donsyme@fastmail.fm>
Date:   Mon May 11 12:44:15 2015 +0100

    updates to fix (3)

commit 1097c068a457585c1e303e788d6bbb792a71e32d
Author: Don Syme <donsyme@fastmail.fm>
Date:   Mon May 11 12:42:43 2015 +0100

    updates to fix (2)

commit 27c926891d1671edc6c174ee676eece370cbdc78
Author: Don Syme <donsyme@fastmail.fm>
Date:   Mon May 11 12:40:47 2015 +0100

    updates to fix

commit fb3a470b9ec90bc81f4c2289d0c0c7a6c7e3cebe
Author: Don Syme <donsyme@fastmail.fm>
Date:   Mon May 11 12:36:13 2015 +0100

    fix for 82

See spec at https://gist.github.com/latkin/cba4187a99db9747d0bf
closes #225

commit b8ea6f617f32e44f29a22afd7aa4f2d09bb1a091
Author: latkin <latkin@microsoft.com>
Date:   Tue Feb 24 17:12:04 2015 -0800

    Touch-ups after rebase

commit 26ff24562bfb49de79c44342105f2946898c2f1e
Author: latkin <latkin@microsoft.com>
Date:   Wed Feb 18 12:54:36 2015 -0800

    Add capability to auto-break on first executable line

commit 675a27298d687cb8c3240af64069cc22accefe02
Author: latkin <latkin@microsoft.com>
Date:   Wed Feb 18 12:53:27 2015 -0800

    Change menu text, use more sensible hotkeys

commit ab73f78ca8bfc4b433152aa3e173fc22b74786a0
Author: latkin <latkin@microsoft.com>
Date:   Wed Feb 18 12:52:39 2015 -0800

    Small whitespace alignment

commit f551344b09fdfb94bfd813100d6065032bd92520
Author: latkin <latkin@microsoft.com>
Date:   Thu Feb 12 19:29:16 2015 -0800

    Output symbol info for locals

commit d6a0faac99bd33fec0c4be24d13009127b8ff420
Author: latkin <latkin@microsoft.com>
Date:   Thu Feb 12 18:00:14 2015 -0800

    Use same whitespace style as existing code

commit a4003c17a006d7eeda1c3920ad05aef788db846e
Author: latkin <latkin@microsoft.com>
Date:   Wed Feb 11 11:06:22 2015 -0800

    Add 'detach' item for tool window, and give 'attach'/'detach' smart visibility

commit c5a64605aca53cdfd742975225c8fa4e665b9f84
Author: latkin <latkin@microsoft.com>
Date:   Wed Feb 11 07:39:34 2015 -0800

    Enable basic script debugging

commit 8f1dcd1c760ce7ab2ae9de706bf12763038f2257
Author: latkin <latkin@microsoft.com>
Date:   Thu Oct 23 14:43:21 2014 -0700

    Updating tests to use proper env variables, adding .gitignore, renaming .cmd to .bat

commit 6097fc2b506c7b61130cf87643ba09f3740e05d5
Merge: 94c895db 0fc7b47
Author: latkin <latkin@microsoft.com>
Date:   Thu Oct 23 14:09:37 2014 -0700

    Merge branch 'pcl_inlining' of https://git01.codeplex.com/forks/vladima/primary into crossmodule

commit 0fc7b4707146d0cf198af1863dcc307d017ede45
Author: desco <desco.by@gmail.com>
Date:   Wed Oct 8 10:30:58 2014 -0700

    remove PrimaryAssembly.NamedMscorlib

commit b84ff88dce143bfd746e214acd806a839aa2903a
Author: desco <desco.by@gmail.com>
Date:   Sat Oct 4 14:13:44 2014 -0700

    added test to list

commit ee32d77d825cf57202135eb40eff9269aaa20c31
Author: desco <desco.by@gmail.com>
Date:   Fri Oct 3 23:24:30 2014 -0700

    Added tests

commit 7f0a59be92f544e4d04c5e41db1679490c419b3a
Author: desco <desco.by@gmail.com>
Date:   Fri Oct 3 16:27:13 2014 -0700

    consider both mscorlib and System.Runtime as candidate names of primary assembly

as requested in #27