fix(bootstrap): add missing `control-label` class for label (#637)
fix(bootstrap): add missing `control-label` class for label (#637)

fix #633
ngx-formly/ngx-formly,ngx-formly/ngx-formly,formly-js/ng2-formly,formly-js/ng2-formly,formly-js/ng-formly,ngx-formly/ngx-formly,formly-js/ng-formly,ngx-formly/ngx-formly,formly-js/ng2-formly