ultra-light modification to base_dn stuff
no longer needed
implemented a thin FieldFile subclass that relies on data directly
written to db, rather to filename -> disk path. Adjusted sql compiler
and base model accordingly

Conflicts:
	ldapdb/models/base.py
Merge branch 'listfield_sets' into dev
Merge branch 'object_classes' into dev
Merge branch 'password-field' into dev

Conflicts:
	examples/tests.py
Merge branch 'base_dn' into dev

Conflicts:
	ldapdb/models/base.py
Merge branch 'imagefield' into dev

Conflicts:
	ldapdb/models/base.py
forgotten one
Merge branch 'imagefield' into dev
proper URL generation
Merge branch 'imagefield' into dev