Author: Eloy Lafuente (stronk7)
MDL-30007 standardise data field subplugin lang files
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f8b02913ad8a763e58d71added108e37690330c4
http://github.com/moodle/moodle/commit/f8b02913ad8a763e58d71added108e37690330c4
+ 2.2 en [pluginname,datafield_checkbox]
+ 2.2 en [pluginname,datafield_date]
+ 2.2 en [pluginname,datafield_file]
+ 2.2 en [pluginname,datafield_latlong]
+ 2.2 en [pluginname,datafield_menu]
+ 2.2 en [pluginname,datafield_multimenu]
+ 2.2 en [pluginname,datafield_number]
+ 2.2 en [pluginname,datafield_picture]
+ 2.2 en [pluginname,datafield_radiobutton]
+ 2.2 en [pluginname,datafield_text]
+ 2.2 en [pluginname,datafield_textarea]
+ 2.2 en [pluginname,datafield_url]