Docs: added methods list before text which describes it.
copy!(S::SharedArray, A::Array) should return S
Merge pull request #6519 from tanmaykm/sharedarray

copy!(S::SharedArray, A::Array) should return S
add readlines(). closes #6511
small improvement to tupleref_elim_pass
Merge pull request #6508 from jacg/docfix

Docs: added methods list before text which describes it.
fix doc typo
export heapify from Collections. closes #6497
fix #6243 (missing ?? metahelp)