bump shared library version to 3.0.0
Bump shared library version to 3.0.0 due to previous commits.
# Version for the shared mfu library
-set(MFU_VERSION_MAJOR 2) # Incompatible API changes
+set(MFU_VERSION_MAJOR 3) # Incompatible API changes
set(MFU_VERSION_MINOR 0) # Backwards-compatible functionality
set(MFU_VERSION_PATCH 0) # Backwards-compatible fixes
set(MFU_VERSION ${MFU_VERSION_MAJOR}.${MFU_VERSION_MINOR}.${MFU_VERSION_PATCH})
