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'
removed todo

there is already a help page
java7 and null checks
java7
on 4.11-branch it is already 1.2.3-SNAPSHOT.
updated to the latest seadas reader sources
removed jdom1 usage
merged commit 'added target name property to all aggregators '
removed wrongly committed files
validating input parameter
Merge remote-tracking branch 'origin/master'
[BEAM-1634] Use IF,THEN,ELSE in band maths expressions
set landsat version to 1.5 (SNAPSHOT)
replacing more NetCdfFile.open by NetCdfFileOpener.open
Merge remote-tracking branch 'origin/master'