Auto merge of #680 - kbknapp:v2.14.0, r=kbknapp

v2.14.0 (2016-10-05)

Features

• arg_aliases: Ability to alias arguments (33b5f6ef, closes #669)
• flag_aliases: Ability to alias flags (40d6dac9)
• UsageParser: Handle non-ascii names / options. (1d6a7c6e, closes #664)

Documentation

• typo (bac417fa)