Fix error when HTMLText / AbstractText are mixed in the same model
We need the complete -even in empty- configuration to allow the cmsplugins plugin to initialize
Update README.rst

I believe 'AbstractText' was intended here (as opposed to 'AbstractClass').
Merge pull request #193 from mattcaldwell/patch-1

Update README.rst
Different strategy to define configuration function name
Fix code style
Merge pull request #189 from yakky/feature/fix_multiple_instances

Fix error when HTMLText / AbstractText are mixed in the same model