Fixed display issues with the graph interpolation
Merge branch 'devel' of https://github.com/hhetter/smbtatools into devel

* 'devel' of https://github.com/hhetter/smbtatools:
  Last data point
  More interpolation
  basic integration of a class frontending to smbtaquery not yet done yet
  remove more debug mesg
  remove debug

Conflicts:
	src/monitor-qt/graph.cpp
	src/monitor-qt/smbtamonitor-qt.pro.user