Adds to themes support to lineseries

Bugfix for wrong rubberband rect size

Adds cliping and proper zoom handling for line chart

Remove PlotDomain , use Domain insted * clean old setSize SetPlotDomain iterface * remove all PlotDomain references

Adds default gemoetry change call in case of new series

Fix test application to have valid window size

Moved pie stuff to own .pri file and rename stuff

Fix previous broken commit

Fix naming convention for lineseries * rename QXYChartSeries to QLineChartSeries * rename XYChartItem to LineChartItem

Refactor themes * theme decorates the items * create classes for all themes * presenter handels theme decoration