Initial commit

src/main/webapp/css/popup.css

src/main/webapp/css/settings.css

src/main/webapp/index.html

src/main/webapp/js/calculator.js

src/main/webapp/js/createElements.js

src/main/webapp/js/groupchat.js

src/main/webapp/js/index.js

src/main/webapp/js/message.js

src/main/webapp/js/responsive.js

src/main/webapp/js/settings.js

src/main/webapp/js/user.js

src/main/webapp/js/websocket.js

src/main/webapp/settings.html

src/test/java/CalculatorResourceTest.java

src/test/java/MessageDAOTest.java

src/test/java/MessageResourceTest.java

src/test/java/UserDAOTest.java

src/test/java/UserResourceTest.java