Added django admin style registration (for now)

Big changes to how things are structured, ModelAdmin2 handles its views and urls
Fixed spelling
Reformat modeladmin urls
add Andrew Ingram to contributors
Merge pull request #47 from ludw/master

Fixed spelling in contributers
Add missing newlines at end of files
Merge pull request #48 from AndrewIngram/registry

Registry
Adding Gregor Müllegger to the CONTRIBUTORS file.
merge