Got plugin manager library integrated and working
Cleaned up calling conventions in plugins C API
Added cmakelists where needed
Added cmake option to build/install plugins C api and python api
Modified and ran rrPluginDemo.py successfully
Changed python threeLineSimulation.py to use relative path
Merge branch 'develop' into plugin_changes

Conflicts:
	plugins/add_noise/CMakeLists.txt
	plugins/lmfit/CMakeLists.txt
	plugins/source/CMakeLists.txt
	plugins/source/rrParameter.h
Merge pull request #19 from TotteKarlsson/plugin_changes

Plugin changes