Stop generating dart:blink from dart scripts

This removes the dart:blink generation code from the dart html scripts.  The _blink_dartium template is removed, and the blink_nativeDOMImplementation html_nativeDOMImplementation split is eliminated, with the code for the former in the dartium generated code, and the latter moved back to native_DOMImplementation.dart.

BUG=
R=vsm@google.com

Review URL: https://codereview.chromium.org//680913006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41346 260f80e4-7a28-3924-810f-c04153c831b5
Inline JUnitTestCase 'assert' methods.

R=brianwilkerson@google.com
BUG=

Review URL: https://codereview.chromium.org//685573002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41347 260f80e4-7a28-3924-810f-c04153c831b5
Code clean-up

R=scheglov@google.com

Review URL: https://codereview.chromium.org//667463004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41348 260f80e4-7a28-3924-810f-c04153c831b5
Add a debug option to analysis server to specify HTTP port.

When a port is specified, user may navigate to localhost:$port/status
to see the status of analysis.

Intended for internal debugging of analysis server only.

R=brianwilkerson@google.com

Review URL: https://codereview.chromium.org//679113006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41349 260f80e4-7a28-3924-810f-c04153c831b5