Added a new setting: MAX_UPLOAD_TOTAL_SIZE

Form now keeps track of the total size of the uploads to keep it under
a set limit (default to 10M) e.g. to keep the total size of the message
within some email server limits.

Thus might be backwards incompatible unless the total size is redefined.
Fix typo in install instructions
Update form_designer/locale/fr/LC_MESSAGES/django.po

Fix typo
Fix simple typo
Add support for Django 1.5 custom User models
Fixed spacing issues
Adding locale for brazilian portuguese
Merge pull request #57 from huxley/develop

Add support for Django 1.5 Custom User models
Update AUTHORS
Merge pull request #44 from keysen/master

Problem when migrating
Merge pull request #58 from ruhan/portuguese-locale

Adding locale for brazilian portuguese
Merge pull request #52 from driesdesmet/installinstructions_fix

Fix typo in install instructions
Merge pull request #53 from DeeJayPee/patch-1

Update form_designer/locale/fr/LC_MESSAGES/django.po
Update AUTHORS
Update AUTHORS
Do not crash on invalid EXPORTER_CLASSES settings when using FORM_DESIGNER_WIDGET_CLASSES
Added date_hierarchy to FormLogAdmin
only position fields inline
django signals implementation
Minor fix: avoid distutils complaining about README.md