added impute2 workflow for import testing
scope login bean to simplify annotations
remove non-JPA generators
code cleanup due to code deletion
restore generators (requested by Morris)
rename generators
Merge pull request #289 from dennishendriksen/master

Remove non-JPA database generators + simplify controller annotations
Merge pull request #287 from georgebyelas/master

added impute2 workflow for db import testing
Merge pull request #288 from mdijkstra/master

Added compute.properties
changes in test impute2 workflow
Merge pull request #290 from georgebyelas/master

changed workflow
Added extra command line parameters (default, rundir, database). Added validation for a.o. wrongly specified parameterMappings of which origin (stepx_ or user_) is unclear. Fixed some bugs to make impute2 pipeline generating.
Added -path parameter to workflow.csv, parameters.csv, ... And fixed some bug.