show offline notification on install (bug 1001055)
revise offline install msg
Revert "show offline notification on install (bug 1001055)"
Revert "revise offline install msg"

This reverts commit 507897d5451527f9ca2a4bad2a0aa5f2298ac9c6.
This reverts commit c1fb3903a7e7ef5b23dc14883e4ac75e6f1d2134.
show offline notification on install (bug 1001055)