[indic] Add Javanese support!

Seems to be working just fine!

src/hb-ot-shape-complex-indic-machine.rl

diff --git a/src/hb-ot-shape-complex-indic-machine.rl b/src/hb-ot-shape-complex-indic-machine.rl
index e964655..f3f550f 100644
--- a/src/hb-ot-shape-complex-indic-machine.rl
+++ b/src/hb-ot-shape-complex-indic-machine.rl
@@ -51,12 +51,13 @@
 A    = 10;
 NBSP = 11;
 DOTTEDCIRCLE = 12;
-RS   = 13;
+RS    = 13;
 Coeng = 14;
 Repha = 15;
 Ra    = 16;
 CM    = 17;
 Avag  = 18;
+CM2   = 41;
 
 c = (C | Ra);			# is_consonant
 n = ((ZWNJ?.RS)? (N.N?)?);	# is_consonant_modifier
@@ -73,14 +74,15 @@
 place_holder = NBSP | DOTTEDCIRCLE;
 halant_group = (z?.h.(ZWJ.N?)?);
 final_halant_group = halant_group | h.ZWNJ;
-halant_or_matra_group = (CM.CM* | final_halant_group | (h.ZWJ)? matra_group{0,4});
+medial_group = CM?.CM2?;
+halant_or_matra_group = (final_halant_group | (h.ZWJ)? matra_group{0,4});
 
 
-consonant_syllable =	Repha? (cn.halant_group){0,4} cn halant_or_matra_group? syllable_tail;
-vowel_syllable =	reph? V.n? (ZWJ | (halant_group.cn){0,4} halant_or_matra_group? syllable_tail);
-standalone_cluster =	reph? place_holder.n? (halant_group.cn){0,4} halant_or_matra_group? syllable_tail;
+consonant_syllable =	Repha? (cn.halant_group){0,4} cn medial_group halant_or_matra_group syllable_tail;
+vowel_syllable =	reph? V.n? (ZWJ | (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail);
+standalone_cluster =	reph? place_holder.n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
 avagraha_cluster = 	avagraha syllable_tail2;
-broken_cluster =	reph? n? (halant_group.cn){0,4} halant_or_matra_group syllable_tail;
+broken_cluster =	reph? n? (halant_group.cn){0,4} medial_group halant_or_matra_group syllable_tail;
 other =			any;
 
 main := |*