added WCS support
added TimeSeriesDataSource
allows to use multiple source per TSD

main.py vector layers are added to QgsProject.instance() map layer store (that we can still use the QgsMapLayerComboBox)
__init__.py removed dummy statememnt from __version__
removed Qt. calls

refactoring
added timeseriesviewertesting and moved tests to

Crosshairs: refactoring, unified per mapview, position remains on position of last mouse-click (closes issue #12)

added TimeSeriesViewer.mapLayerStore()->QgsMapLayerStore()

refactoring (import statements)

improved rendering dialog (WIP)

SpectralLibraryWidget (wip)

fixed map rendering error: changes in mapview & sensor specific render settings will be applied also on non-visible QgsMapCanvases

utils.py refactoring (loadUi -> loadUI, affects many widget classes)

added cursorlocationvalue.py + panel
added spectrallibraries.py + panel
added a couple of new icons
added trees.py (basic TreeModel system)

TimeSeriesViewer inherits QgisInterface
refactoring maptools
 - added mapcanvas.MapTools
 - TimeSeriesviewer.onShowProfile handles location based maptool requests (CursorLocation, Temproal/spectral prpofiles)

MapCanvas: used MapCanvasLayerModel that support lazy loading of QgsMapLayer instances
MapViews can have individual vector layer sources for overlay

mapvisualization: fixed several optical issues, connected buttons