add template for translations used in angular. add sparql request for themes
__all__ = ['Imprint', 'Serie', 'ProjectName', 'CorporateAuthor', 'Url',
'Subject', 'Theme', 'Country', 'Isbn','Issn', 'DocumentCode',
'Language', 'Title', 'AddedTitle', 'TitleMainDocument', 'Abstract'
'Collation', 'VolumeIssue', 'Author', 'SubjectPerson', 'Periodical',
'Meeting', 'SubjectMeeting', 'Record', 'User']
from p4l.models.data import (Imprint, Serie, ProjectName, CorporateAuthor, Url,
Subject, Theme, Country, Isbn, Issn, DocumentCode, Language, Title,
AddedTitle, TitleMainDocument, Abstract, Collation, VolumeIssue, Author,
SubjectPerson, Periodical, Meeting, SubjectMeeting, Record)
from p4l.models.user import User