nv: attribute parser rename column fixes, cellbase attribute import, other fixes
Merge branch 'feature/opencga-0.3' of github.com:roalva1/jsorolla into feature/opencga-0.3
Replaced foreach by for loop. Maybe polymer adds at the end of the array a 'findIndex' function
NV: added display settings, load session rework, default edge rendering markers rework
develoing for babelomics
Merge branch 'feature/opencga-0.3' of github.com:opencb/jsorolla into feature/opencga-0.3