Adapt ds.r to the multiple R sessions RBusinessManager
Add releng component for building with buckminster

This enables mirroring of the p2.site using p2 actions from buckminster
This file also contians extra dependencies needed to build the bundles in this repo
Updates bundle versions to 2.6.1
Feature version set to 2.6.1
Register all used ds generator with Renderer

When using a generator it needs to be added to the 
renderer in order to be able to use its parameters

Also filter the parameters from generator extension
to just call the registered ones.
Fix for Bug 3550 (R models on Windows)

http://pele.farmbio.uu.se/bugzilla/show_bug.cgi?id=3550
Merge branch 'RSessions' into rsessionsadapt

Conflicts:
	plugins/net.bioclipse.ds.r/src/net/bioclipse/ds/r/RModelMatcher.java
Merge pull request #9 from bioclipse/rsessionsadapt

Rsessionsadapt
Clean up of runTestAsJobs
Replace log4j with slf4j
Removed unused imports

Fixes lots of PMD warnings
Use slf4j.api version 1.7.5 instead of org.slf4j.api
Changes to use old logging format
Merge branch '2.6.1' into develop
Update ds for cdk 1.5.x