Specify django version as < 1.4

This is what was decided on in #148
Merge pull request #161 from AccelerationNet/requirement-versions

Specify django version as < 1.4
Merge pull request #160 from AccelerationNet/fix-namespaces

Use absolute python module references
Absolute python module references for okconfig_.urls

Affects #160
Calls to `reverse` also need to use abs python path or view name

follow up on #160