Fix #218 General SSLEngine problem
The problem was in Play < 2.5.4 which did not handle correctly configuration to ignore SSL Problem. Fixed by upgrading play to 2.5.12 and update configuration.
See https://github.com/playframework/playframework/issues/4796 And https://github.com/playframework/playframework/commit/97f475ee4a8ab8109ca30acd3be3b6b1853ff1eb (included since Play 2.5.4)
Closes #218