doc: add missing word
doc: use the more convenient 'cargo run' command

This lovely command has already been introduced, so let's take advantage
of it.
doc: slight consistency fix

Others in this list are Capitalized, so do it here too.
Replace mention of ~T by Box<T> in the FFI guide.
Added a note for usage of abs with ::MIN.
Fix sorting order. Change `sync` to `share`
Allow *-pointers in PtrTy (fixes #16781)
Fix an ICE with error types in a vec

Closes #16783
Forbid ~str and ~[]

This corrects a rebasing error. Also adds a test so it won't happen again.
Forbid the Sized bound on unsized types

closes #16800
Fix issue #15826.

The implemented fix rounds half-way cases away from zero as described in
the original comments.

This rounding algorithm is sometimes called arithmetic rounding. It is
described further here:
http://en.wikipedia.org/wiki/Rounding#Round_half_away_from_zero

I also added several new tests to prevent regressions.
Cargo begins version number at 0.0.1 instead of 0.1.0.
Fix guide typo.
Fixed misleading docs in liballoc
doc: Clarify slice failure conditions.
Tweak error message for use of a keyword in ident position.

Closes #15358
Updated mut_chunks doc comment to match argument name.
Modifications to liblibc for raw/custom socket support.
doc: Runnable examples logging.

Also use //! Instead of /*! in liblog.
Fix spelling mistakes in the guide

Also made some opinionated changes such as to prefer license over licence and judgment over judgement.