Rollup of 4 pull requests#32037

Closed

srinivasreddy wants to merge 11 commits intorust-lang:masterfrom

srinivasreddy:rollup

Commits on Mar 2, 2016

Explained the difference between ownership iteration and reference iteration
srinivasreddy
committed
addressed review comments - grammar corrections, space additions
srinivasreddy
committed
made print message similar across two loops
srinivasreddy
committed

Commits on Mar 3, 2016