caryoscelus/rainynite-core: 2D vector animation core @ new_node_system

caryoscelus 0e98789252 Move time_period.h to period.h and related changes		7 anni fa
..
CMakeLists.txt	86abc03768 Fix library install paths	7 anni fa
format.cpp	45c0a175d0 Put `core` ns into `rainynite` ns	7 anni fa
parse.cpp	c114bb07a2 Move ParseError into exceptions.h	7 anni fa
time.cpp	0e98789252 Move time_period.h to period.h and related changes	7 anni fa