- added specs for data_node
- added specs for data_node

digshock/scalaris,tectronics/scalaris,digshock/scalaris,tectronics/scalaris,seyyed/scalaris,tectronics/scalaris,tectronics/scalaris,tectronics/scalaris,digshock/scalaris,seyyed/scalaris,seyyed/scalaris,digshock/scalaris,digshock/scalaris,digshock/scalaris,seyyed/scalaris,digshock/scalaris,seyyed/scalaris,tectronics/scalaris,seyyed/scalaris,tectronics/scalaris,seyyed/scalaris