Update ch.yaml

Ticino was missing from the Neujahrstag observing cantons list.

See page 26 of http://www.ejpd.admin.ch/content/dam/data/staat_buerger/zivilprozessrecht/kant-feiertage.pdf
expose regions
added Morocco holidays
generated files for Morocco holidays
added Belgium holidays
generated files for Belgium holidays
Fix Father's Day (which also fixes Mother's Day and Armed Forces Day).

Added tests for North American holidays.
Add Easter Sunday to US and Canada holidays.
Added Romanian holidays
Added documentation link to english version of wikipedia
Update pt.rb
Update test_defs_pt.rb
Update pt.yaml
Update pt.yaml
Fix New Year's Day observed holiday for GB

If New Year's day falls on a Saturday or Sunday, the following Monday is
treated as a substitute holiday.

See https://www.gov.uk/bank-holidays
Fix Boxing Day substitute day. Issue #27.
[FR] Update Christmas name in french that was wrong
Added Argentinian's Bank Holidays
Rake build_all to generate rb and tests
Fixing a small typo. 

As we can see in the following links:
http://pt.wikipedia.org/wiki/Feriados_no_Brasil
http://pt.wikipedia.org/wiki/Corpus_Christi