FluksoViz: Change week period and some cosmetic adjustments

Correct week period for get data and made some really cosmetic
corrections to source code.

Signed-off-by: Josenivaldo Benito Junior <jrbenito@benito.qsl.br>
FluksoViz: Copyright and TODO

Nothing special, just copyright message and a ToDo remeinder

Signed-off-by: Josenivaldo Benito Junior <jrbenito@benito.qsl.br>