Added monitor.
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-core.git
Adjustments so that Mark B can see problem.
Fix to http://jira.diamond.ac.uk/browse/DAWNSCI-1011
Added constructor OperationException.
Added synchronized to protect reflection.
Clarified angle convention in javadocs
Converted more methods to use dataset interface
Added internal setDirty method for clearing cached information, and
added new method and unit tests for scanline filling for DAWNSCI-933