* lily/context.cc (where_defined): also assign value in

* lily/context.cc (where_defined): also assign value in
where_defined().

* lily/bezier.cc (get_other_coordinate): use curve_coordinate
(curve_coordinate): new function

* flower/include/parray.hh (binsearch): add lo,hi range to arguments.

* lily/simple-spacer.cc (add_columns): only add rods between
column i and begin/end if keep-inside-line is set (this repleces
allow-outside-line as default)