tidier way of source-ing startup code
explicit checks to see if subletting in plot3d.neuronlist returns sensibly
New transform.neuron function

* can be called as transform
Fix neuron handling of suffix in write.neuron when taking file name from neuron
Commit left over code that will signal bad root in ParseSWC
Merge branch 'master' of jgit:AnalysisSuite

* 'master' of jgit:AnalysisSuite:
  explicit checks to see if subletting in plot3d.neuronlist returns sensibly