Logo centered and UI

...-react-client/src/assets/img/jams_logo_no_gnu_package.svg

...s/jss/material-dashboard-react/components/sidebarStyle.js

...assets/jss/material-dashboard-react/layouts/adminStyle.js

jams-react-client/src/components/Devices/Devices.js

...ct-client/src/components/PasswordDialog/PasswordDialog.js

jams-react-client/src/components/Sidebar/Sidebar.js

jams-react-client/src/layouts/BaseLayout.js

jams-react-client/src/layouts/SignIn.js

jams-react-client/src/layouts/SignUp.js

jams-react-client/src/views/Blueprint/Blueprint.js

jams-react-client/src/views/Blueprints/Blueprints.js

jams-react-client/src/views/Groups/Groups.js

jams-react-client/src/views/Settings/Settings.js

...-react-client/src/views/UserProfile/DisplayUserProfile.js

...act-client/src/views/UserProfile/EditCreateUserProfile.js

jams-react-client/src/views/UserProfile/UserProfile.js