encoding: Fix bug in TlvEncoder: In sizeOfNonNegativeInteger and writeNonNegativeIntegerEnabled, should encode integers <= 0xff as one byte. Refs #1924.
CHANGELOG: Added bug 1924 Should encode non-negative integers 253 through 255 as one byte. Refs #1924.
Merge branch 'issue/1924-nonNegativeIntegers-253-through-255'. Refs #1924.
http://redmine.named-data.net/issues/1924