Update en-US.md

Updating the Legal notice email to the correct address (i.e., "legal-notices@mozilla.com")
Merge pull request #165 from GeoffPiperMZ/patch-7

Update en-US.md
Update bn-IN.md

editing indentation
Update bn-IN.md

additional corrections
Merge pull request #167 from peiying2/patch-54

Update bn-IN.md
no en-US in link