Fix after boot thread-safety issue
Merge pull request #585 from SPBTV/thread-safety

Fix after boot thread-safety issue
Merge pull request #586 from kiela/master

Do not repeat the same error messages
Fix oauth2 middleware compatibility with draft-ietf-oauth-v2-31 spec.
uses_path_versioning? should return a bool

as stated on the test
https://github.com/arthurnn/grape/blob/01f2590741120b613a19a57836c2e05608ac586b/spec/grape/path_spec.rb#L60
that method should return +true+ or +false+
Use be false instead of be_false
Use be true instead of be_true
use flat_map instead of map.flatten
Merge pull request #588 from arthurnn/rspec_warn_update

Rspec boolean methods update
Merge pull request #589 from arthurnn/flat_map

use flat_map instead of map.flatten
Fixed parameter validation to pass inherited types.
Adding dependency badge to the README
Merge pull request #592 from reiz/feature/dependency_badge

Adding dependency badge to the README
Add docs badge to README
Fix EN on missing_mime_type resolution message

Instead of "you can choose exist", the correct is "you can choose existing".
Merge pull request #593 from rrrene/patch-1

Add docs badge to README
Merge pull request #595 from joaomilho/master

Fix EN on missing_mime_type resolution message
refactors specs for consistency
converts to double quote so the interpolation works
refactors specs to be more consistent