A (slightly enhanced) patch from Christian Carlow for "EditEmplPosition form widget missing Internal Org drop down and title incorrect" https://issues.apache.org/jira/browse/OFBIZ-5509

EditEmplPosition shows a partyId field as a text box instead of a <select> drop down that lists the internal orgs.  The field title should also be set to Internal Org instead of PartyId for consistency.

jleroux: while at it I added a tooltip


git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1561286 13f79535-47bb-0310-9956-ffa450edef68