to merge
Separeted ComputeBackEnd
Merge pull request #251 from georgebyelas/master

Separated ComputeBackend in the model and logic
Merge pull request #252 from mdijkstra/master

Minor changes to manual compute / README.md
Fixed dateparsing problems in AbstractTuple, dateFormats "MMMM d, yyyy"
"dd-MM-yyyy" parse correctly now
Merge pull request #253 from bartcharbon/master

Fixed dateparsing problem
updated readme.md
Merge pull request #254 from mswertz/master

updated README.md following comments GB and PD
Created getEnvironment(compute) function that returns a text string and can thus easily be called by computeDB