Merge branch 'dev-front'

doc/_static/FWK-Front/css/style.css

doc/_static/FWK-Front/input.html

doc/_static/FWK-Front/js/fwk-js.js

doc/en/_static/front/checkbox.html

doc/en/_static/front/css/bootstrap.min.css

doc/en/_static/front/css/style.css

doc/en/_static/front/input.html

doc/en/_static/front/js/bootstrap.min.js

doc/en/_static/front/js/fwk-js.js

doc/en/_static/front/js/jquery-2.1.4.min.js

doc/en/_static/front/radiobox.html

doc/en/_static/front/simpleSelect.html

doc/en/_static/front/textarea.html

doc/en/developer/front/form.rst

doc/en/developer/front/front.rst

doc/en/developer/index.rst