saga_api: fix gcc compile error
imagery_tools, landsat import: interpolation option added
io_virtual, get subset from virtual point cloud modules: bug fix wrong usage of 'intersect' instead of 'intersects' method for bounding boxes
io_virtual, get subset from virtual point cloud: do not include overlap in output tile naming (lower left coordinate)
saga_api, api_core/api_file: fixes swig compiler error
saga_cmd: boolean parameter, changed from switch to option, which expects a value, either '1', '0', 'true' or 'false'; if not specified the parameter's default value is used.
saga_gui, shapes editing: by default snapping is enabled for features within the same layer
ta_morphometry, wind effect: description and parallelization added
io_grid_image, export: bug fix, using look-up table
imagery_opencv, experimental tool added to garden: stereo matching
grid calculator: functions added to request a cells position
grid calculator: functions added to request a cells position