Release 1.3

• Fix typo of Ubuntu Unity logo (own)
• Add open.Yellow.os logo (own)
• Add RhaymOS logo (dylanaraps#2274)
• Add support for displaying the ISA string on RISC-V CPUs (#24, from aaronfranke:unifetch-riscv-isa)
• Add terminal gnome-console (dylanaraps#2277)
• Add Floflis (dylanaraps#2289)
• Simple improvements for Solaris (dylanaraps#2293)
• Add Salient OS (dylanaraps#2301)
• Fix Chrome OS (dylanaraps#2305)
• Rename executable name (own)