#75 Add datepicker

# Add datepicker files and import to layout.jsp
# Add lazy jquery initialization
# Alteration of equipment form/list layout
# add datepciker to equipment form
# Alteration of ChangeLocaleController so it receive the lenguage and the country ( so it will find messages_pt_BR, it was not working )
# Remotion of messages.properties, it was duplicated with messages_pt_BR