added icons

Signed-off-by: Karl Merkli <info@karl-merkli.ch>
added icons

Signed-off-by: Karl Merkli <info@karl-merkli.ch>
removed

Signed-off-by: Karl Merkli <info@karl-merkli.ch>
optimized image

Signed-off-by: Karl Merkli <info@karl-merkli.ch>
usability improvements

Signed-off-by: Karl Merkli <info@karl-merkli.ch>
rewording

Signed-off-by: Karl Merkli <info@karl-merkli.ch>