changed html()

Merge branch 'master' of https://www.yatex.org/gitbucket/git/RubyTerakoya/web

changed app(テストメール送信機能を追加)

changed app(テストメール送信機能を追加)

changed quizmihon.rb(changed question, ○→kazu)

changed if.rb(print→puts, num→kazu)

changed application.rb, send_app.txt, send_host.txt(整理番号を割りふる機能を追加)

changed application.rb, send_app.txt, send_host.txt(整理番号を割りふる機能を追加)

changed array_rand.rb -> rand.rb

changed array_rand.rb(成澤さんが新しく作ったものに変更)

changed application.rb(1行目をruby25に変更)

changed application.rb (1行目をruby2.5に変更)

changed Encoding.default_external = "utf-8" -> Encoding.default_external = "UTF-8"

changed Encoding.default_external = "utf-8" -> Encoding.default_external = "UTF-8"

add form-confirm.html, form-initial.html, form-submit.html, send_host.txt, send_app.txt, changed app/application.rb(application.html, submit.htmlの統合、メールテンプレート、HTMLから参照する様に改良), rm application.rb, submit.rb

changed main.css(mainのmin-heightを追加)

changed application.html(記載事項の文章の変更)

changed main.css(input#schoolを追加)

changed application.html(学校名をdatalistで補完する形に変更)

changed what.html(余計な授業リンク集があったのを削除)

changed main.css(box-textにborder-radiusを追加、夏用ホームの図の配置-margin指定)

changed what.html(由来の箇所を変更)

changed application.html(学校名にその他の欄を追加)

add dev-index.html, riku_suika.jpg, umi_ukiwa.jpg

changed app

changed app

changed app

changed app

changed app

changed app