QuantileFilter added

Rewrite of the old QuantileFilter, bug is fixed and also it runs
(marginally) faster now
QuantileFilter2 renamed to QuantileFilter
-> QuantileFilter in imglib-ops needs to be deprecated (and later on replaced by this implementation)
fixed minor bug in DimSwapper
Merge branch 'master' into cellclumpsplitter

Conflicts:
	org.knime.knip.core/.classpath