fix #685 update to bootstrap v4.1.1

src/main/webapp/WEB-INF/view/advance.jsp

src/main/webapp/WEB-INF/view/error/badRequest.jsp

src/main/webapp/WEB-INF/view/error/error.jsp

src/main/webapp/WEB-INF/view/error/notFound.jsp

src/main/webapp/WEB-INF/view/error/system.jsp

src/main/webapp/WEB-INF/view/footer.jsp

src/main/webapp/WEB-INF/view/header.jsp

src/main/webapp/WEB-INF/view/help.jsp

src/main/webapp/WEB-INF/view/index.jsp

src/main/webapp/WEB-INF/view/login/index.jsp

src/main/webapp/WEB-INF/view/profile/index.jsp

src/main/webapp/WEB-INF/view/search.jsp

src/main/webapp/WEB-INF/view/searchResults.jsp

src/main/webapp/css/bootstrap.min.css

src/main/webapp/css/style-base.css

src/main/webapp/css/style.css

src/main/webapp/js/bootstrap.js

src/main/webapp/js/bootstrap.min.js