Update initializer.rb.erb

Fix typo in initializer
Merge pull request #234 from bgmarx/patch-1

Update initializer.rb.erb
[Fixes #125] Dump examples as json
Test against ruby 2.1.1
Merge pull request #235 from johanneswuerbach/ruby-211

Test against ruby 2.1.1
Merge pull request #130 from johanneswuerbach/json-record

[Fixes #125] Dump examples as json
Merge https://github.com/Apipie/apipie-rails