MICA-1007: Removing feeds and feeds tamper from features
MICA-1007: Removing feeds plugins for mica relation
MICA-1007: Removing feeds of mica projects
Showing a message when testing connections is successful
Merge pull request #61 from obiba/feature/MICA-1007-goodbye-feeds

MICA-1007: Removing Feeds (except for field description and variables from opal)
Fix MICA-1010: Sort population by DCE dates