Update input-placeholder.json

Add entry for IE where the placeholder isn't displayed. Touch up some grammar on the other IE entry.
update text-decoration support in Firefox
add object-fit/object-position support in Firefox 36
Merge pull request #804 from sbrandwoo/patch-1

Update input-placeholder.json
Merge pull request #805 from myakura/myakura/update-fx-text-decor

update text-decoration support in Firefox
Merge pull request #806 from myakura/myakura/fx-object-fit-pos

add object-fit/object-position support in Firefox 36
data update
1.0.30000025