Author: Rex Lorenzo
MDL-33090 admin: Missing strings in XMLDB editor - added in missing strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fbf39e40e6418bddd1bf03ac0f125205920275e9
http://github.com/moodle/moodle/commit/fbf39e40e6418bddd1bf03ac0f125205920275e9
+ 2.1 en [duplicatefieldsused,core_xmldb]
+ 2.1 en [fieldsusedinindex,core_xmldb]
+ 2.1 en [incorrectkeyname,core_xmldb]
+ 2.1 en [keynameempty,core_xmldb]
+ 2.1 en [nofieldsspecified,core_xmldb]
+ 2.1 en [noreffieldsspecified,core_xmldb]
+ 2.1 en [noreftablespecified,core_xmldb]
+ 2.1 en [primarykeyonlyallownotnullfields,core_xmldb]
+ 2.1 en [wrongnumberofreffields,core_xmldb]