deps: upgrade npm to 1.4.29
See https://github.com/npm/npm/releases/tag/v1.4.29 for details.
Encourage users to upgrade to a newer npm that supports scopes, and lays the groundwork for getting npm@2 into Node 0.10 LTS.
r: @jasnell r: @Fishrock123
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
See https://github.com/npm/npm/releases/tag/v1.4.29 for details.
Encourage users to upgrade to a newer npm that supports scopes, and lays the groundwork for getting npm@2 into Node 0.10 LTS.
r: @jasnell r: @Fishrock123