[LANG-1564] Use Collections.singletonList insteadof Arrays.asList when there be only one element. #549.
[LANG-1564] Use Collections.singletonList insteadof Arrays.asList when
there be only one element. #549.

apache/commons-lang,britter/commons-lang,MarkDacek/commons-lang,apache/commons-lang,britter/commons-lang,MarkDacek/commons-lang,MarkDacek/commons-lang,apache/commons-lang,britter/commons-lang