FACES-1895

FACES-1895 Develop alloy:pickDate component (Added timeZone attribute. The attribute allows developers to specify a time zone for the SimpleDateFormat used to parse minimumDate and maximumDate if they are Strings.)
FACES-1897 Develop alloy:inputDate component (Added timeZone attribute. The attribute allows developers to specify the timeZone of the built-in converter and pickDate. The timeZone attribute is also used for the SimpleDateFormat which parse minimumDate and maximumDate if they are Strings.)
FACES-1714 Develop Liferay Faces Showcase (Specified the new timeZone attribute in the appropriate example for inputDate. Removed unnecessary code in model beans which set hours, minutes, and seconds to 0.)