docs(guide/en): fix typo
docs(guide/en): fix links
Merge remote-tracking branch 'upstream/canary' into canary

Conflicts:
	docs/content/guide/en/01_conceptual-overview.ngdoc
	docs/content/guide/en/02_getting-started.ngdoc
	docs/content/guide/en/10_asynchronous-loading.ngdoc
	docs/content/guide/en/14_error-handling.ngdoc
Merge pull request #159 from sgara/canary

(Docs) Fix typos and links