Update previous files to be more in line with CasparCG coding styles.

Update previous files to be more in line with CasparCG coding styles.
removed almost all sue of CamelCase, now using all smalls and underscores where possible.
Many fixes according to suggestions from @HellGore,
Including but not limited to:
Better use of RAII and shared ptr objects.
Removal of unrequired functions
Removal of system that checks if a driver is present before adding a bluefish consumer to registry.
Removal of static get/set card property funcs
Init'ing all functions ptr to nullptr.

NOT done yet:
possible modification of argument name