[processing] fixed GRASS algorithm descriptions

Author: volaya

python/plugins/processing/algs/grass7/description/r.resamp.bspline.txt

@@ -4,8 +4,8 @@ Raster (r.*)
 ParameterRaster|input|Input raster layer|False
 ParameterRaster|mask|Name of raster map to use for masking. Only cells that are not NULL and not zero are interpolated|True
 ParameterSelection|method|Sampling interpolation method|bilinear;bicubic|1|False
-ParameterString|ew_step|Length (float) of each spline step in the east-west direction|None|False|True
-ParameterString|ns_step|Length (float) of each spline step in the north-south direction|None|False|True
+ParameterNumber|ew_step|Length (float) of each spline step in the east-west direction|0.0|None|1.0|True
+ParameterNumber|ns_step|Length (float) of each spline step in the north-south direction|0.0|None|1.0|True
 ParameterNumber|lambda|Tykhonov regularization parameter (affects smoothing)|0.0|None|0.01|True
 ParameterNumber|memory|Maximum memory to be used (in MB). Cache size for raster rows|10|None|300|True
 *ParameterBoolean|-n|Only interpolate null cells in input raster map|False|True

python/plugins/processing/algs/grass7/description/r.resamp.rst.txt

@@ -2,8 +2,8 @@ r.resamp.rst
 Reinterpolates using regularized spline with tension and smoothing.
 Raster (r.*)
 ParameterRaster|input|Raster layer|False
-ParameterNumber|ew_res|Desired east-west resolution|0.0|None|1
-ParameterNumber|ns_res|Desired north-south resolution|0.0|None|1
+ParameterNumber|ew_res|Desired east-west resolution|0.0|None|1.0
+ParameterNumber|ns_res|Desired north-south resolution|0.0|None|1.0
 ParameterBoolean|-t|Use dnorm independent tension|False
 ParameterBoolean|-a_r.region|Align region to resolution (default = align to bounds) in r.region|False
 OutputRaster|elevation|Resampled RST