get lat lons for a pixel area
add drag and drop transfer handling
add icons for modified products
add product identification only if abstracted metadata is present
Merge pull request #13 from lveci/crsGeocoding

get lat lons for a pixel area
Harmonisation with NEST: Added method CrsGeoCoding.getPixels()
Merge pull request #15 from lveci/productTree

Product tree
Merge branch 'master' into nestmod

Conflicts:
	beam-ui/src/main/java/org/esa/beam/framework/ui/product/tree/IdentificationTN.java