Create README.md
Adding waffle badge
Merge https://github.com/Jamoma/JamomaCore into feature/cmake
Checking if the attribute have been found before to use the default attribute value
Allowing to access to messages of object in TTApplicationManager::ApplicationSet
Renaming Scheduler progression into position and realTime into date
Merge branch 'dev' of https://github.com/Jamoma/JamomaCore into feature/cmake