Resolve methodOverride deprecation warnings
Resolve parseSignedCookie deprecation warnings
Removed 'rc' from anchor version again
Added sails migrate to Roadmap again
Fixed typos

Noticed a few typos reading through the source.
Merge pull request #2391 from baweaver/patch-1

Fixed typos
Merge pull request #2328 from rjclardy/master

Resolve deprecation warnings from express upgrade
Merge pull request #2389 from Globegitter/patch-2

Removed 'rc' from anchor version again
Merge pull request #2390 from Globegitter/patch-3

Added sails migrate to Roadmap again
updated