Update ACE Editor to version 1.2.9

The new ACE editor introduces full support for emojis (and, thereby, UTF-16 characters with high- and low-surrogates). Hence, we can remove our custom fix.

Further, this update will allow emojis to be used in pair programming sessions.

vendor/assets/javascripts/ace/snippets/csound_orchestra.js

@@ -0,0 +1,54 @@
+define("ace/snippets/csound_orchestra",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+exports.snippetText = "# else\n\
+snippet else\n\
+	else\n\
+		${1:/* statements */}\n\
+# elseif\n\
+snippet elseif\n\
+	elseif ${1:/* condition */} then\n\
+		${2:/* statements */}\n\
+# if\n\
+snippet if\n\
+	if ${1:/* condition */} then\n\
+		${2:/* statements */}\n\
+	endif\n\
+# instrument block\n\
+snippet instr\n\
+	instr ${1:name}\n\
+		${2:/* statements */}\n\
+	endin\n\
+# i-time while loop\n\
+snippet iwhile\n\
+	i${1:Index} = ${2:0}\n\
+	while i${1:Index} < ${3:/* count */} do\n\
+		${4:/* statements */}\n\
+		i${1:Index} += 1\n\
+	od\n\
+# k-rate while loop\n\
+snippet kwhile\n\
+	k${1:Index} = ${2:0}\n\
+	while k${1:Index} < ${3:/* count */} do\n\
+		${4:/* statements */}\n\
+		k${1:Index} += 1\n\
+	od\n\
+# opcode\n\
+snippet opcode\n\
+	opcode ${1:name}, ${2:/* output types */ 0}, ${3:/* input types */ 0}\n\
+		${4:/* statements */}\n\
+	endop\n\
+# until loop\n\
+snippet until\n\
+	until ${1:/* condition */} do\n\
+		${2:/* statements */}\n\
+	od\n\
+# while loop\n\
+snippet while\n\
+	while ${1:/* condition */} do\n\
+		${2:/* statements */}\n\
+	od\n\
+";
+exports.scope = "csound_orchestra";
+
+});