Fixed -o flag in rr application
Removed load_model_dll from examples

Built Roadrunner as a shared library for linking to plugins
Moved the LM fit python example and added it to installation
Minor update
Plugins now linked with shared roadrunner library.
The plugins core library is linked with a shared roadrunner as well.
Removed plugins demos..

Plugins are now ~ 500kb
Merge pull request #55 from TotteKarlsson/weekend_docs

Fixed -o flag in rr application