getDataOrder

[shihchengyen]

Need to modify getDataOrder to work with new data hierarchies.

Need to add example of using getDataOrder in the constructor of the template class dirfiles.

[grero]

See my comments to #7

[grero]

I'm having some trouble getting getDataOrder to work in getting ShortName, e.g.

>> pwd

ans =

    '/private/tmp/NewWorkingMemory/Wiesel/20170714/session03/array01/channel006/cell01'

>> getDataOrder('ShortName')

ans =

    'privatetmpNewWorkingMemoryWiesel2.01707140301006e+16'

while my understanding is that this should return something like
'Wiesel20170714s3a1c6u1'