the chart root shape has to be at the bottom, fdo#74333, cp#1000057

Change-Id: Ic99fec987f290e94e4b45f4d193406daa2de4740
fix missing service factory during import, related fdo#74333, cp#1000057

Conflicts:
	chart2/inc/ChartModel.hxx
	chart2/source/model/main/ChartModel.cxx

Change-Id: I2cce561587d82b0434ef2d3e65e5d35b7ff99260
quick fix for inheritance problems

Change-Id: I41c5c937d62d6ba0b3df2d4a0101319f272495a7