Added support for bindig relations (foreign keys) to combo boxes.

core/core.pro

@@ -44,7 +44,8 @@ SOURCES += \
     filterdialog.cpp \
     itablemodel.cpp \
     iservice.cpp \
-    combodata.cpp
+    combodata.cpp \
+    data/comboitem.cpp
 
 HEADERS += core.h\
         core_global.h \
@@ -86,7 +87,8 @@ HEADERS += core.h\
     itablemodel.h \
     data/core_global.h \
     iservice.h \
-    combodata.h
+    combodata.h \
+    data/comboitem.h
 
 unix {
     target.path = /usr/lib
@@ -123,3 +125,5 @@ FORMS += \
 OTHER_FILES += \
     users/metaData.json \
     roles/metaData.json
+
+TRANSLATIONS = core_cz.ts