Upgrade to Meteor 0.6.3 (coffeescript update).

* Move alertify and jquery into client/compatibility folder to avoid
extra scope wrapping.

* Use new 'check' package to verify arguments of server methods.

Meteor release notes:
https://www.meteor.com/blog/2013/05/15/meteor-063-websockets-mongodb-24-coffee-162-synthetic-tap-events
https://github.com/meteor/meteor/blob/release/0.6.3/History.md

CoffeeScript updated from 1.5.0 to 1.6.2.  Release notes:
http://coffeescript.org/#changelog

Change-Id: I85cfcdb0d1170ce6c8cade3eb3adce3f012c08d9
Upgrade to Meteor 0.6.4 (security fixes).

Meteor release notes:
https://www.meteor.com/blog/2013/06/10/meteor-064-new-oauth-packages-and-recommended-updates
https://github.com/meteor/meteor/blob/release/0.6.4/History.md

Change-Id: I6a6f49f140cb510f5a91cac38cbb3182e1e1a6ec
Upgrade to Meteor 0.6.5.1 (namespacing, build system).

* `Meteor.http` renamed to `HTTP`

* CoffeeScript globals exported via `share` variable.

Meteor release notes:
https://www.meteor.com/blog/2013/08/14/meteor-065-namespacing-modularity-new-build-system-source-maps
https://github.com/meteor/meteor/blob/fab6f3fe5d14d492b1a199bc401cdab1e596a10a/History.md

Change-Id: I36f897f27044f7329da91c53eed7e4c84b87f967