v2.14.1: Auto merge of #697 - kbknapp:issue-688, r=kbknapp

v2.14.1 (2016-10-20)

Documentation

• Improve documentation around features (4ee85b95)
• reword docs for ErrorKind and app::Settings (3ccde7a4)
• fix tests that fail when the "suggestions" feature is disabled (996fc381)
• fix the OsString-using doc-tests (af9e1a39)
• tag non-rust code blocks as such instead of ignoring them (0ba9f4b1)
• ErrorKind: improve some errors about subcommands (9f6217a4)
• yaml: make sure the doc-tests don't fail before "missing file" (8c0f5551)

Improvements

• Stabilize clap_app! (cd516006)
• with_defaults: Deprecate App::with_defaults() (26085409, closes #638)

Bug Fixes

• fixes a bug that made determining when to auto-wrap long help messages inconsistent (468baadb, closes #688)
• Completions: fish completions for nested subcommands (a61eaf8a)
• features: Make lints not enable other nightly-requiring features (835f75e3)