Update Node to 0.8.18.

We now used TypedArrays (Uint8Arrays), and versions of Node prior to 0.8.17 have
a security vulnerability related to TypedArrays.
Merge branch 'dev-bundle-node-0.8.18' into devel
Make new less test less sensitive to browser zoom.

Apparently a 1px border may not have a 1px computed value if your browser is
zoomed (it may be fractional).
Make inFiber help pass arguments through. This fixes with_password in meteor deploy/logs/mongo.
also exclude app.manifest from returning app_html
Comment on app.manifest exclusion.
Merge branch 'pr-628' into devel
Move serverId to __meteor_runtime_config__. This prevents a race condition where the server restarts between when the client loads app.html and when it makes a DDP connection. Fixes #653. Thanks @awwx!
Adding documentation explaining Collections in the introductory Data section, fixes #149.
Rework text a bit.
Merge branch 'pr-615' into devel
Stop requiring _id to be specified by the insert() code.

Now users can put _id into their documents prior to insert, and insert() will
respect that.  This is useful if you want to write any Meteor Method that inserts
documents -- it allows you to have the same ID on both client and server, so you
don't get flicker when the server document wins
Docuentation for allowing _id to be spec by the user