Change java set/get snippets to use mixedCase.

The java setter and getter snippets were incorrectly formatting the
set/get name as all lowercase.  It should be mixed case, as per java's
coding standard.

A new function was made (mixedCase) to handle that.

UltiSnips/java.snippets

@@ -27,6 +27,9 @@ def getArgs(group):
 def camel(word):
 	return word[0].upper() + word[1:]
 
+def mixedCase(word):
+	return word[0].lower() + word[1:]
+
 endglobal
 
 snippet sleep "try sleep catch" b
@@ -338,23 +341,23 @@ endsnippet
 
 snippet /get(ter)?/ "getter" br
 public ${1:String} get${2:Name}() {
-	return `!p snip.rv = t[2].lower()`;
+	return `!p snip.rv = mixedCase(t[2])`;
 }
 endsnippet
 
 snippet /set(ter)?/ "setter" br
-public void set${1:Name}(${2:String} `!p snip.rv = t[1].lower()`) {
-	this.`!p snip.rv = t[1].lower()` = `!p snip.rv = t[1].lower()`;
+public void set${1:Name}(${2:String} `!p snip.rv = mixedCase(t[1])`) {
+	this.`!p snip.rv = mixedCase(t[1])` = `!p snip.rv = mixedCase(t[1])`;
 }
 endsnippet
 
 snippet /se?tge?t|ge?tse?t|gs/ "setter and getter" br
-public void set${1:Name}(${2:String} `!p snip.rv = t[1].lower()`) {
-	this.`!p snip.rv = t[1].lower()` = `!p snip.rv = t[1].lower()`;
+public void set${1:Name}(${2:String} `!p snip.rv = mixedCase(t[1])`) {
+	this.`!p snip.rv = mixedCase(t[1])` = `!p snip.rv = mixedCase(t[1])`;
 }
 
 public $2 get$1() {
-	return `!p snip.rv = t[1].lower()`;
+	return `!p snip.rv = mixedCase(t[1])`;
 }
 endsnippet