v1.1.0

Implemented Enhancements

• Added Spain Holiday Driver (including the autonomous communities Andalusia, Aragon, Asturias, Balearic Islands,
  Basque Country, Canary Islands, Cantabria, Castile and León, Castilla-La Mancha, Ceuta, Community of Madrid,
  Extremadura, Galicia, La Rioja, Melilla, Navarre, Region of Murcia, Valencian Community)
• Added Corpus Christi, St. Joseph's Day, Maundy Thursday, St. George's Day, St. John's Day to the common Christian
  Holidays.
• Updated some English, Italian, French and Dutch translations.
• Created separate tests for holidays that are substituted on different days.
• Moved all other holiday calculations in Netherlands and France to individual methods.
• Allow for name spaced holiday providers.
• Added test for translation of Ash Wednesday and Valentinesday in the Netherlands.
• Added test to check whether all holidays for a Holiday Provider are defined by the respective provider class.
• Removed support for PHP 5.4. Minimum version is now 5.5. PHP 7.0 is known to work however in Travis CI still allowed
  to fail

Closed Issues

• Fixed issue for Japan where substituted holidays had same date as the original holidays.