set axis to increase from min to max or decrease max to min
missing icons
removed duplicated initialisation of streams
fixed Envi reader tests
Merge branch 'master' into module_renaming
keep default behaviour
Merge pull request #5 from arraydev/beam_ui

set axis to increase from min to max or decrease max to min
update metadata interface
Merge branch 'master' into module_renaming
ignoring tests in snap-engine-utilities for now (failing with Maven)