* scripts/midi2ly.py (Key.dump): pychecker cleanups.

* scripts/midi2ly.py (Key.dump): pychecker cleanups.

* python/lilylib.py (underscore): remove identify() , warranty()

* ps/music-drawing-routines.ps: change Border routine for GSView
compatibility.

* lily/stem.cc (height): use quantize-positions.  This triggers
set_stem_lengths, so scripts on beamed stems are handled correctly.

* lily/side-position-interface.cc (aligned_side): check if edges
of script are inside staff. Fixes accent of edge of the staff.

* input/regression/staccato-pos.ly: more examples.