Hanami contributors

All hieuk09 commits

[ax] Fix failed spec on Travis CIhanami
[b] Create .lotusrc with input options when options are presenthanami
[f] Fix action generator for application architecturehanami
[f] Application architecturehanami
[f] Application generatorhanami
Add RSpec generatorhanami
Call help when app name is not providedhanami
[b] Utils::String#classify "AwesomeProject" => "Awesomeproject"utils
[b] Improve error message for `lotus db prepare`model