moved file transfer template into chat html file
enhanced visual styles for file transfer
relative positionned progress text, text-shadow added
differentiated a received transfer from a sent one
FileTransfer now has an 'incoming' attribute
documented the incoming attribute
Merge pull request #191 from n1k0/enhance-file-transfer-styles

Enhance file transfer styles
a more adaptative layout for the chat window
Remove unnecessary CSS clear property
Remove contradictory (and unused) CSS height property
Removed unused callview element and CSS property
Add XXX comment about more CSS cleanup
Merge pull request #193 from dmose/responsive3

Make popped out chat window handle resize significantly better