clean up builder module a bit
add zones without configs feature
Basic branding for OSU colors
Merge branch 'master' of https://github.com/OSU-Net/cyder into branding
Connect to MySQL server in TRADITIONAL mode

Details are here:
http://dev.mysql.com/doc/refman/5.5/en/sql-mode.html#sqlmode_traditional
Show database-level errors in forms
Sort imports
Add [Positive]IntegerField validation

Also make out-of-range errors more consistent.
Add cyder/base/validators.py
Make interface expiration display format consistent with helptext
Make interface expiration display format ACTUALLY consistent with helptext
Only call QuerySet methods on an actual QuerySet
Merge branch 'master' of https://github.com/OSU-Net/cyder into branding
new orange icons on hover, plus the close icon to gray
Merge pull request #758 from OSU-Net/icons

Icons
Merge pull request #756 from drkitty/fix-network-detail-view

Fix detail view for Networks with parents or children
Merge pull request #752 from zeeman/fix_expire_format

Make interface expiration display format consistent with helptext
Merge branch 'column-range-fix' of git://github.com/drkitty/cyder into drkitty-column-range-fix

Conflicts:
	cyder/base/views.py
Merge pull request #725 from murrown/allow-zone-no-config

Allow zones with no config