speclib + temporal profile layers invisible to QGIS (for security reasons)

fixed Temporal profile expression evaluation

added default spectrum for spectral libraries

improved speclib CSV export

refactoring MapView dock

fixed umlaut problem

profile visualization: fixed TP loading status, added TP ContextMenu

smaller fixes in *.ui and mapvisualization.py
fixed deploy.py

minor changes

several updates to mapvisualization.py
cleanups + refactoring

- added fileFilter to svg2png. if set, only files listed in svg2png.txt will be converted
- added updateInfoHTML
- prefers SVG instead PNG
- renamed png2qrc to file2qrc
- file2qrc add files without removing files already mentioned in the qrc

virtualrasters.py - fixed setData(<vrt band name>)

virtualrasters.py : added feature identify to preview map