2D vector animation core

caryoscelus 8577c3a719 Yaml writer: eliminate superfluous anchors 7 lat temu
document 8312aa111a NodeTree: improvements & count nodes 7 lat temu
filters 8577c3a719 Yaml writer: eliminate superfluous anchors 7 lat temu
include 8312aa111a NodeTree: improvements & count nodes 7 lat temu
log 86abc03768 Fix library install paths 7 lat temu
os e3ae68811f Move fork_pipe into new `os` lib 7 lat temu
renderers e55ae7f987 SvgRenderer: don't render disabled nodes 7 lat temu
tests 8312aa111a NodeTree: improvements & count nodes 7 lat temu
thirdparty dccbb68b52 Remove RapidJson 7 lat temu
time 0e98789252 Move time_period.h to period.h and related changes 7 lat temu
.gitignore 31d4fdaac6 git-ignore all build*/ directories 7 lat temu
.gitmodules dccbb68b52 Remove RapidJson 7 lat temu
CMakeLists.txt 274ad8da1c Remove JSON support 7 lat temu
COPYING.gpl3 38bf89d560 Add GPL3 7 lat temu