*lib: move properties to local variables

Author Martin Unkel <martin.unkel@rwth-aachen.de>
Author date 2018-05-30 14:39:25
Author local date 2018-05-30 16:39:25 +0200
Committer Martin Unkel <martin.unkel@rwth-aachen.de>
Committer date 2018-05-30 14:39:25
Committer local date 2018-05-30 16:39:25 +0200
Commit b07413cd795b20aabe0174b22ea951c5d317e35b
Tree d941a071a13e6353e365a0bc38a5c8d9c392b49b
Parent aacddbf0c14e4c83212993c5de78a7a0c54d7fbb
*lib: move properties to local variables
+lib: add CallbackManager accessors
+update mvc logic