Allow passing of parameters to algorithms in dictionaries.
Change the way input dataset CRS in read, to avoid problems with file handles remaining open in QGIS after use.
Do not put GDAL extra parameters in quotes.
[processing] Give an option for all file types to be used as input layer to processing algorithms.
[processing] Sort algorithms when updating provider alg list.
Merge pull request #1490 from radosuav/small_processing_fixes2

[processing] Small fixes 2