Merge pull request #3 from seesmith/master

Styling changes after merge
LIB001-421 Change references to 'en_US' to 'en' in euchmi.php.
Merge pull request #4 from robintaylor/master

LIB001-421 Change references to 'en_US' to 'en' in euchmi.php.
Merge pull request #5 from seesmith/master

 LIB001-422 Fixed dates to use year_sort
Added geology header