Added default value argument for readEntryList
switched default and ok arguments
[sextante] made ParameterTableField and ParameterString optional.

Changed serializing format of ParameterTableField
[sextante] corrected parameter serialization scheme
[sextante]improved information when missing 3rd party app before running algorithm
[sextante]changed 'create grid' algorithm to allow non integer values
Merge pull request #460 from 3nids/readListEntryDefault

Added default value argument for readEntryList
Keep item position constant if reference point changes (ticket #7519)
raster no data value made optional
renamed doubleNear to qgsDoubleNear, QgsMalloc to qgsMalloc, QgsCalloc to qgsCalloc, QgsFree to qgsFree
keep blue value as double, fixes #7107