CombinedRealInterval: fix javadoc
Merge branch 'metadataUtil'
replacing copy metadata ops with a utility class
Merge branch 'metadataUtil'

Conflicts:
	ops/src/main/java/net/imglib2/ops/operation/imgplus/unary/ImgPlusRemove1Dims.java
	ops/src/main/java/net/imglib2/ops/operation/metadata/unary/CopyImageMetadata.java
	ops/src/main/java/net/imglib2/ops/operation/metadata/unary/CopyNamed.java
	ops/src/main/java/net/imglib2/ops/operation/randomaccessibleinterval/binary/IterateBinaryOperation.java
	ops/src/main/java/net/imglib2/ops/operation/randomaccessibleinterval/unary/IterateUnaryOperation.java
moved on to MetadataUtil
adding metadataUtil which somehow got lost
Merge branch 'metadataUtil'
using own copy method for calibratedAxis
Merge branch 'metadataUtil'