Bug 835902 - Show the correct month name in spin date picker. r=timdream, a=blocking-b2g:tef+
(cherry picked from commit e7fdc59f26c0813da93e250ee1af228f2c711079)
Merge pull request #8357 from RudyLu/value_selector/Bug835902-wrong_month_name.v1.0.1

Bug 835902 - Show the correct month name in spin date picker. r=timdream...