Add major and minor version numbers to summary files.

Add major and minor version numbers to summary files.

Note: my expectation is that we won't start bumping the version
numbers until summaries begin being used in the wild.  While summary
support remains experimental, the version number will remain at 1.0.

R=scheglov@google.com

Committed: https://github.com/dart-lang/sdk/commit/92176ad4820c36bddd97ae0b05a740b0d9deeb34

[Paul Berry, 2016-03-01 19:39:51]

paulberry@google.com changed reviewers:
+ scheglov@google.com

[scheglov, 2016-03-01 20:14:28]

LGTM

[Paul Berry, 2016-03-01 20:21:43]

Description was changed from

==========
Add major and minor version numbers to summary files.

Note: my expectation is that we won't start bumping the version
numbers until summaries begin being used in the wild.  While summary
support remains experimental, the version number will remain at 1.0.
==========

to

==========
Add major and minor version numbers to summary files.

Note: my expectation is that we won't start bumping the version
numbers until summaries begin being used in the wild.  While summary
support remains experimental, the version number will remain at 1.0.

R=scheglov@google.com

Committed:
https://github.com/dart-lang/sdk/commit/92176ad4820c36bddd97ae0b05a740b0d9deeb34
==========

[Paul Berry, 2016-03-01 20:21:45]

Committed patchset #1 (id:1) manually as
92176ad4820c36bddd97ae0b05a740b0d9deeb34 (presubmit successful).