Be more robust when receiving clearly bogus date strings.
Add Spanish localization

Conflicts:
	jquery.simple-dtpicker.js
Merge pull request #50 from maw/es

Spanish localization
Merge branch 'master' of github.com:mugifly/jquery-simple-datetimepicker into 1.5.x

Conflicts:
	jquery.simple-dtpicker.js
Add: Swedish locale (Thanks to: MacDknife)