Rollup of 8 pull requests#39735

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frewsxcv wants to merge 21 commits intorust-lang:masterfrom

frewsxcv:rollup

Commits on Feb 8, 2017

Specialize `PartialOrd<A> for [A] where A: Ord`
Stjepan Glavina
committed
Simplify by calling SliceOrd::compare
Stjepan Glavina
committed
Remove unnecessary specialization for [u8]
Stjepan Glavina
committed
Don't include directory names in shasums
alexcrichton
committed

Commits on Feb 10, 2017

Update 1.15.1 relnotes
brson
committed
Fix a misleading statement in `Iterator.nth()`

Rob Speer
authored and
Rob Speer
committed
Rephrase my proposed edit ("objects" -> "elements")

Rob Speer
authored and
Rob Speer
committed
iterator docs: Move paragraph about discarding; clarify "consumed"
Rob Speer
committed
Updated installing nightly instructions
Aaron Power
committed

Commits on Feb 11, 2017