Merge pull request #8349 from RudyLu/value_selector/Bug835902-wrong_month_name_timezone

 Bug 835902 - Show the correct month name in spin date picker. r=timdrea...(cherry picked from commit e1771e699d2c28f493845eceaab901c19a945173)
Merge pull request #8355 from RudyLu/value_selector/Bug835902-wrong_month_name.v1-train

Bug 835902 - Show the correct month name in spin date picker. r=timdream, a=blocking-b2g:tef+