Update countuniquepointsinpolygon.rst
Update countpointsinpolygon.rst
Update countpointsinpolygonweighted.rst
Update creategrid.rst
Update pointslayerfromtable.rst
Update convertgeometrytype.rst
Update listuniquevalues.rst
Update selectbyattribute.rst
Merge pull request #6 from ghtmtt/master

New block of help files