Australian holidays; updated calendar functions

Australia Holidays have been updated as follows:

• ACT
• No longer warns that Family and Community Day Public Holiday were not added.
• Added Easter Sunday.
• Added Reconciliation Day.
• QLD.
• Added Easter Sunday.
• Updated Labour Day to the first Monday in May.
• Updated Queen's Birthday top first Monday in October
• SA.
• Warning "March Public Holiday (Adelaide Cup) not added." enhanced to "March Public Holiday (Adelaide Cup) not added. Please add manually.". This holiday may change each few years.
• TAS.
• Added Easter Tuesday.
• VIC.
• Added Easter Sunday.
• WA.
• Warning "Queen's Birthday Public Holiday not added." enhanced to "Queen's Birthday Public Holiday not added. Please add manually.". This holiday may vary within the State.

For more information see http://www.australia.gov.au/about-australia/special-dates-and-events/public-holidays.