FileTransfer: allow more control on the chunk emiter
FileTransfer: add a progress bar
FileTransfer: Display the nick when transfering a file
FileTransfer: wait for an ack to send the next chunk
FileTransferView: add size remaining progress
FileTransferView: Add a file icon
FileTransfer: fix default value
FileTransfer: #chunk becomes #nextChunk
FileTransfer: #done becomes #isDone
FileTransfer: minor refacto
TextChat: minor refacto
Utils: fix minor coding style typo
Merge pull request #189 from tOkeshu/file-transfer-improvement

File transfer improvement
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