Fix getComputedStyle for ie8

New version with some fixes by some pull requestes of some good devel…

…opers

Fix bug with minDate option and mistake Date.parse insted Date.parseDate

Fix bug with defaultDate option

added several languages

Added enterLikeTab option

Fix behavior under iPad and iPhone

Standarted code with JSLint

Delete all comment and clear css

Add arrow for mount and year pickers