Preparing OD 62 branch
update aggregator for OD 6.2 components based on kepler platform

Conflicts:
	org.obeonetwork.aggregator/ObeoNetwork_N_od6.b3aggr
	org.obeonetwork.aggregator/ObeoNetwork_R_od6.b3aggr
	org.obeonetwork.aggregator/ObeoNetwork_S_od6.b3aggr
Update uml contribution to 3.0.0
Remove category in UML Designer contribution
UML 3.0 and Obeo Designer 6.2.1 release
Migrate b3 model to latest editor
Add pom.xml based provisionning
Prepare models and pom for launching Aggregation through tycho
Add promote script - (staging)
Downgrade to Tycho 0.17 as build server don't have maven 3.1
back to 0.18.1 as server got upgraded
tweak promote
fix promotion script
adding more logging during promotion
adding more logging during promotion
using case in bash instead of if
Promote.sh ready for testing

Now promotes on the externally available marketplace location.
Copy the final/* content
I hate bash.
Removing deprecated files