Added style to make the text overflow of the datagrid footer elips the same
as the cells

#3817
Merge pull request #210 from A24Group/feature-footer-overflow-3817

Added style to make the text overflow of the datagrid footer elips
Created the SSDate class that enabled formatting of a date to the original date format

Created the SSDate class that enabled formatting of a date to the original date format.
Also update all the class to now use the SSDate and not java.util.Date
Also org.ssgwt.client.i18n.DateTimeFormat now replaces com.google.gwt.i18n.client.DateTimeFormat

issue #2806
Merge remote-tracking branch 'upstream/master' into feature-dynamicFormLabels-issue-2806