remove ERS reader
.E1 and .E2 handled by ENVISAT reader
ENVISAT XCA files have no raster data but are still handled by this reader
separate actions for ASAR and ERS SAR
remove ERS reader from service
updated envisat test fixtures because of improved tie-points
processing menu help updated
removed disabled dependencies
added tooltips to filter buttons
ups
ensuring valid variable names for NetCDF4
add ColorPaletteChooser
added link to GETASSE30ElevationModel
re-structured the TOC
updated the file menu in help
don't test the DecodeQualification inside the reader
Merge remote-tracking branch 'github/master'
updated ATS_TOA test fixtures
Merge branch 'ERSReader' of https://github.com/lveci/beam into lveci-ERSReader
typos
updated reader test fixtures according to ERS/Envisat change