Update outdated SyncMachine docs

`initSyncMachine` was removed in 72863848337f47ca3216ff6f443d8ba7bf571fcf.
Change `@` to `this`
Merge pull request #473 from iangreenleaf/sync_machine_docs

Update outdated SyncMachine docs
Typo fix
`reverse` helper for easy access to router lookups
Merge pull request #469 from iangreenleaf/url_helper

urlFor helper for easy access to router lookups
Chaplin.helpers.reverse: throw error if the route was not found.
Fix the route reversal helper to allow for empty paths/'home'-links
Merge pull request #477 from andriijas/master

Fix the route reversal helper to allow for empty paths/'home'-links
Add Chaplin.helpers docs.
Add short descriptions to all chaplin components.
Remove dispatcher event docs.
Merge pull request #478 from chaplinjs/topics/docs

Add chaplin helpers docs and a bit more stuff
Fix model description.
Change date format in changelog.
Make it possible to use view el as region - fixes #468
Merge branch 'master' of git://github.com/chaplinjs/chaplin
Fix build system; upgrade package dependencies.
Fixed tests for helpers.reverse
Reverse returns the full URL with the leading slash.