Fixes welcome page input Enter button action.
Changes the logo of the welcome page to use the image from conference page.
Removes unused images.
Add fix to the tooltip library so tooltips never go out of the window. #106
Fixes some  welcome page minor issues.
Fixes the font size of the input field of the welcome page.
Merge pull request #112 from fouksf/tooltips-fix

Fix bottom toolbar tooltips going out of the window. #106
retain localAudio + localVideo when re-establishing a connection. fixes a bug report by markus kilas