Add some symbols

Delta.math, product, lessequal, greaterequal, lozenge
Add some accented italic glyphs

Cdotaccent, Edotaccent, Gbreve, Gcommaaccent, Gdotaccent, Idotaccent,
Iogonek, Kcommaaccent, Lcaron.alt, Lcommaaccent, Ncommaaccent,
Rcommaaccent, Uogonek, Udieresisacute, Udieresisgrave,
Udieresiscaron, Udieresismacron, Wcircumflex, Ycircumflex,
cdotaccent, edotaccent, gacute, gbreve, gdotaccent,
iogonek, kcommaaccent, lcaron.alt, lcommaaccent, ncommaaccent,
rcommaaccent, uogonek, wcircumflex, ycircumflex
Merge branch 'LGC' into italic

Add some symbols to the base font
Add some italic symbols

Delta.math, lessequal, greaterequal