Fix laying out of time signatures.

Moving to SMuFL broke time signature layout. Fixed.
Merge pull request #562 from mgavioli/Fix_layout_of_time_sigs

Fix laying out of time signatures.
smufl: more trill line fixes
smufl: mscore font fixes
add again missing font family name in mscore.sfd
change implementation of buildin workspaces
Mscore font: updated hints for moved glyphs

Several of the glyphs recently moved for SMuFL compatibility kept hints for previous position. Updated.
Merge pull request #563 from mgavioli/mscore_font_updated_hints

Mscore font: updated hints for moved glyphs