Updated to 1.0.0-rc.6
update api to v1.0.0-rc.6
The example code block needs to use the html scanner, not the handlebars scanner, to avoid display issues
Merge pull request #558 from dgeb/home-page-example-format

Fix html/handlebars example code block on home page
provide direct links to handlebars version that work with the current
ember.
Stringifying linkTo args to prep for push for path lookups

We'll be making {{linkTo foo}} perform a lookup of the target
path on the present context for the 'foo' property, and we have
lot of references in the guides that advertise the incorrect
(albeit prettier) format of omitting the strings.
Merge pull request #559 from machty/stringify-link-to

Stringifying linkTo args to prep for push for path lookups
Prose cleanup
Core Concepts update
Embedding Applications guide
Replace "current state" with "URL"
Rearrange some guides
Update {{action}} guide
Merge remote-tracking branch 'upstream/master'
action 'allowed-keys' corrected to 'allowedKeys'