Add support for xdg-open
Documenting pub cache add.

BUG=https://codereview.chromium.org/136063005/
R=rnystrom@google.com

Review URL: https://codereview.appspot.com/63150044
Adding the dart2js page to the tools docs. Also adding a page on configuring the dart2js transformer.

BUG=
R=kathyw@google.com, rnystrom@google.com

Review URL: https://codereview.appspot.com/62640043
Fixing a "closure in a loop" JavaScript problem.

BUG=
R=shailentuli@google.com

Review URL: https://codereview.appspot.com/65500044
add instructions for localhost to the deploy codelab

R=shailentuli@google.com

Review URL: https://chromiumcodereview.appspot.com/171393002
Tweaked the text.

Adding two simple examples of custom transformers

BUG=
R=kathyw@google.com

Review URL: https://codereview.appspot.com/65770043
Fixing the analytics to capture the platform for SDK and Dartium downloads.

BUG=
R=shailentuli@google.com

Review URL: https://codereview.appspot.com/66610043
Add an explanation of which semver version pub uses.

Also update all semantic versioning links to point to version 2.0.0-rc.1.

BUG=14987
R=rnystrom@google.com, shaza@google.com

Review URL: https://chromiumcodereview.appspot.com//169873004
Fixed blockquote rendering
Merge pull request #303 from soimort/patch-1

Fixed a typo; fixed blockquote rendering
Upload link to code lab.

Review URL: https://chromiumcodereview.appspot.com/165793004
update link to github
old example was removed at https://github.com/sethladd/dart-polymer-dart-examples/commit/0c79cd6c7b58285175a4446db004d95cf4a28d73
Rename `noSuchMethod()` parameter from `msg` to `invocation`

Rename `noSuchMethod()` parameter from `msg` to `invocation`. Not only
is the name more meaningful, it is consistent with the parameter named
used elsewhere in the API docs, e.g.,
[Object.noSuchMethod](https://api.dartlang.org/apidocs/channels/stable/#
dart-core.Object@id_noSuchMethod).
Merge pull request #304 from d2m/master

update link to github
fixed formatting of dart2js yaml

R=rnystrom@google.com, shaza@google.com

Review URL: https://codereview.chromium.org/178253003
Rename `noSuchMethod()` parameter from `msg` to `invocation`

Rename `noSuchMethod()` parameter from `msg` to `invocation`. Not only
is the name more meaningful, it is consistent with the parameter named
used elsewhere in the API docs, e.g.,
[Object.noSuchMethod](https://api.dartlang.org/apidocs/channels/stable/#
dart-core.Object@id_noSuchMethod).
Make code match article (per Gilad's suggestion)

… and removed unused import.
Merge branch 'patch-emulating-functions-0221' of https://github.com/chalin/dartlang.org into patch-emulating-functions-0221

Conflicts:
	src/site/articles/emulating-functions/code/emulating-functions.dart
Removing bleh() method since it is no longer used
Add a blurb about how to handle pre-1.0 versions in pub.

R=rnystrom@google.com, shaza@google.com

Review URL: https://chromiumcodereview.appspot.com//171713014