check packaged app's ondownloadapplied (bug 975921)
Commit from Mozilla Verbatim by user petercpg@mail.moztw.org.: 293 of 293 strings translated (0 fuzzy).
Merge pull request #430 from spasovski/downloadbtn

check packaged app's ondownloadapplied (bug 975921)

Merging this for a quick QA by krupa
Revert "check packaged app's ondownloadapplied (bug 975921)"

This reverts commit 9000f55cf9b4c2a5a5acab8ceff8679f3588c77a.