fixed submodules and added landing page

.gitmodules

clients/rtds

web/landing.html

web/socket/app.js

web/socket/doc

web/socket/favicon.ico

web/socket/flot

web/socket/index.html

web/socket/jquery-ui/images/ui-icons_444444_256x240.png

web/socket/jquery-ui/images/ui-icons_555555_256x240.png

web/socket/jquery-ui/images/ui-icons_777620_256x240.png

web/socket/jquery-ui/images/ui-icons_777777_256x240.png

web/socket/jquery-ui/images/ui-icons_cc0000_256x240.png

web/socket/jquery-ui/images/ui-icons_ffffff_256x240.png

web/socket/jquery-ui/jquery-ui.css

web/socket/jquery-ui/jquery-ui.js

web/socket/jquery-ui/jquery-ui.structure.css

web/socket/jquery-ui/jquery-ui.theme.css

web/socket/jquery/jquery.js

web/socket/logo.svg