Add awesomium m4 test

With hardcoded version atm
Minor fixes to awesomium m4 script
Move ui related src to separate folder
Build ui
Add the code too...
Remove incorrect and confusing comment
Basic html rendering working (up side down)
Add Reloadable to UI

Not monitoring anything yet, some restructure and bikeshedding is needed
Fix transparency
Hide scrollbars
Cosmetics: Indent
Add flag to flip y on canvas draw
Add call to cleanup canvas buffers
UI: Flip Y and fix reload
Add UI input

Lots of draw bugs with input enabled, probably race conditions
Add a default texture that's transparent
Reduce flickering
Remove speed control

This interferce with other input, should maybe be readded in some
code part that is only used with demos
Trying to debug awesomium and get it to work.
UI: More testing

Turn on antistropic filtering etc