Rollup of 7 pull requests#31416

Merged

bors merged 14 commits intorust-lang:masterfrom

steveklabnik:rollup

Feb 5, 2016

Commits on Jan 28, 2016

Mention initial copyright year
prayagverma
committed

Commits on Feb 3, 2016

Remove redundant semicolon from "block_expr" in grammar reference
mbrubeck
committed

Commits on Feb 4, 2016