K-Means WIP
Allowing a maximum of 30 seconds for a LIMMA subprocess to finish
Added 'nice' to production on spawned R processes, polished R script
timeouts.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	pom.xml
Fixed the Limma accordion tab (same is-open issue)
Merge pull request #623 from lev-kuznetsov/master

Kmeans, R timeout
Merge remote-tracking branch 'upstream/master'