Consider adding/editing a method as a resolvable mismatch.

R=brianwilkerson@google.com
BUG=

Review URL: https://codereview.chromium.org//778153003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42142 260f80e4-7a28-3924-810f-c04153c831b5
Fix for issue 4070

R=scheglov@google.com

Review URL: https://codereview.chromium.org//781133002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42143 260f80e4-7a28-3924-810f-c04153c831b5
Delete dartiverse-search from the repo and update dart:io documentation to point
to the new location.

The code now lives in: https://github.com/dart-lang/sample-dartiverse-search
The code is tested in the package bots at:
http://build.chromium.org/p/client.dart.packages/console

In particular, these 3 columns:
http://build.chromium.org/p/client.dart.packages/console?builder=packages-windows-sample-sample-dartiverse-search&builder=packages-linux-sample-sample-dartiverse-search&builder=packages-mac-sample-sample-dartiverse-search&reload=none

R=ajohnsen@google.com

Review URL: https://codereview.chromium.org//752303004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42144 260f80e4-7a28-3924-810f-c04153c831b5
Implement correct semantics of Boolean Conversion

When converting null to a boolean value, throw an AssertionError
rather than a TypeError.

Fixes issue 21279.

R=srdjan@google.com

Review URL: https://codereview.chromium.org//778063002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42145 260f80e4-7a28-3924-810f-c04153c831b5
increase template_binding upper bound

R=sigmund@google.com

Review URL: https://codereview.chromium.org//784553003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42146 260f80e4-7a28-3924-810f-c04153c831b5
add a filter to remove pub cache projects from project explorer

R=scheglov@google.com

Review URL: https://codereview.chromium.org//786493002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42147 260f80e4-7a28-3924-810f-c04153c831b5
Revert r42145 to fix co19 tests

Review URL: https://codereview.chromium.org//772513003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42148 260f80e4-7a28-3924-810f-c04153c831b5