Small readme fixes, add tests for /swagger endpoint

little bit more meat to readme

"Hello World"-example should match its spec ( Fixes #476 )

Fix headers in docs

fixed small typo

…ert hapi to 9.5.1

update all skeletons to latest versions and fix async test race-condition

misc tweaks/fixes to the docs

The given example doesn't actually work, as discussed in #342

* Put the `-m` flag in the example after `swagger project start` to be consistent with the documentation (`swagger project start [options] [directory]`) and match the other examples.

Update cli.md

update sails `ejs` version

fix mock mode example