initial mobile layout settings
use only 1 css file, track touches on joystick knob
added joystick to move character when mobile device is detected
improved warning message if window is too small
moved size warning's style into base.css
bug fixes
Merge branch 'chat' into dev
Merge branch 'dev' of https://github.com/ChildrenOfUr/coUclient into dev
changed chat error messages to be displayed on an overlay so that the user knows that they cannot interract with chat at the moment
limited chat history to 100 messages so that the scrollbar doesn't become super small
tweaks
Merge branch 'chat' of https://github.com/ChildrenOfUr/coUclient into render
Merge branch 'dev' of https://github.com/ChildrenOfUr/coUclient into render
merge mobilelayout and chat to make later work easier.