Adiciona primeira versao do cadastro de chas de bebe

Squashed commit of the following:

commit 89a5873dfec2d38bb7eaaae0769e530033f0d692
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 17:35:51 2013 -0200

    Refatora actions com uso de um helper para setar os titles das paginas

commit 3b9028dd8d95ecdfc21a3ec5e5652ed9ccf73222
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 17:31:05 2013 -0200

    Altera layout para que cada action tenha um title e adiciona titles para actions existentes

commit ce317540406ed7105edd2b34be768ea558e312f3
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 17:26:08 2013 -0200

    Adiciona tratamento de erros na criacao de usuario

commit 7c1b3d8e7c1430fb966390390902640bcbd844dc
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 17:16:43 2013 -0200

    Adiciona validacao de presenca de campos de usuario

commit 05bee9173842520dd466c6cdc7875359757d82e2
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 17:05:36 2013 -0200

    Adiciona cenario positivo da action de criacao de usuarios (desconsidera erros)

commit 563dfe03a867e0157008d359e98ce3bb137b9425
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 16:55:04 2013 -0200

    Adiciona configuracao de 'enforce_available_locales' exigida em novas versoes do Rails{

commit ab2095c5d4a08952d376c60af27d7ae76d5f95bc
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 16:53:20 2013 -0200

    Adiciona esqueleto da pagina de criacao de usuario / cha

commit 47fda46195a15b61d41cb1f39d1bdf0e542fa688
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 16:36:39 2013 -0200

    Adiciona esqueleto de action Users#show

commit c3e7772b2b27917d5db03992dba3c573893f3974
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 16:30:04 2013 -0200

    Adiciona rota para criacao de usuarios / cha

commit 6235506fb182186126419ff71448ce0cd8d8b8d4
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 16:26:32 2013 -0200

    Adiciona rota para home apontando pra criacao de usuarios

commit 7f43c74c6bdadcbf6a3e3eccab7681bb99b4f42c
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 16:22:59 2013 -0200

    Adiciona rota para pagina do cha de bebe

commit c4f20aa120f25a40ff0dfa332c94e47a1f5a4236
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 15:56:34 2013 -0200

    Adiciona controller (auto-gerado) de usuarios

    Este controller servirah para cadastro de usuarios (que basicamente eh a
    home do site neste momento), junto com a pagina de um cha de bebe que eh
    a mesma pagina do usuario.

      $ rails generate controller users show create new
      $ rm app/views/users/create.html.erb

commit 20efbbc68db22b25b9ce91516f3e45bd0f4b1860
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 15:51:22 2013 -0200

    Atualiza schema com adicao da tabela users

      $ rake db:migrate

commit 2dd69f9000d8ad6f4fda1b1b365894d8121851f3
Author: Everton J. Carpes <everton.carpes@gmail.com>
Date:   Mon Dec 9 15:50:05 2013 -0200

    Adiciona modelo (auto-gerado) de usuarios

      $ rails generate model User name:string email:string