PixelGeoCoding modified to iterative search, update to avoid infinite search in lat-lon plains, required in high altitude regions for MERIS FRS
Merge remote branch 'origin/master'

Conflicts:
	beam-core/src/main/java/org/esa/beam/framework/datamodel/PixelGeoCoding.java
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
[BEAM-1635] Support .tar.tz format for Landsat 4 GeoTIFF products