bugfix due changing in mandatory languages logic
adicionada try and except para tratar exibicao registro
Revert "adicionada try and except para tratar exibicao registro"

This reverts commit 52fbaf7cd0f36a63defd27ff3601731a91f0c10c.
adiconado tratamenmto de exception configs linguagem
include State on list display and list filter in Admin
Merge branch 'dev' of https://github.com/joncasdam/opentrials into dev
Merge pull request #2 from joncasdam/dev

Dev