pgr_trsp_withPoints new signatures

[cvvergara]

#2238

FROM:

pgr_trsp(sql text, source_edge integer, source_pos float8, target_edge integer, target_pos float8,
                  directed boolean, has_rcost boolean [,restrict_sql text]);
RETURNS SETOF (seq, id1, id2, cost)

TO

pgr_trsp_withPoints(Edges SQL, Restrictions sql, Points SQL, From vid, To vid [,directed][,driving_side][,details]) -- one to one
pgr_trsp_withPoints(Edges SQL, Restrictions sql, Points SQL, From vid, To vids [,directed][,driving_side][,details]) -- one to many
pgr_trsp_withPoints(Edges SQL, Restrictions sql, Points SQL, From vids, To vid [,directed][,driving_side][,details]) -- many to one
pgr_trsp_withPoints(Edges SQL, Restrictions sql, Points SQL, From vids, To vids [,directed][,driving_side][,details]) -- many to many
pgr_trsp_withPoints(Edges SQL, Restrictions sql, Points SQL, Combinations SQL [,directed][,driving_side][,details]) -- combinations
RETURNS SET OF (seq, path_seq, start_pid, end_pid, node, edge, cost, agg_cost)