Corrected error reporting when importing data
Merge pull request #112 from kazoompa/feature-OPAL-1707

feature-OPAL-1707
Corrected error reporting when importing data
Corrected import
Wait cursor when installing a R package.
Merge branch 'master' of https://github.com/obiba/opal
Merge pull request #113 from kazoompa/feature-OPAL-1707

Feature opal 1707
Fixed import error