Fix compilation errors and some of the CRITICAL warnings

docs/source/aspis.rst

docs/source/aspis/webapp.rst

docs/source/caesar.rst

docs/source/products/data/1A_unitov_mag.rst

docs/source/products/data/1B_unitov_vel.rst

docs/source/products/data/2_unitov_halpha.rst

docs/source/products/data/3_unitov_RandD.rst

docs/source/products/data/48D_ingv_LMPalert.rst

docs/source/products/data/49A_ingv_Swarm_LoL_maps.rst

docs/source/products/data/49B_ingv_Swarm_LoL_ts.rst