Updated to version 2.20.1 for release

Cherry picked libsdl-org/freetype@c26872e to fix a "wild free"

Updated version to 2.19.3 for RC build

Updated version to 2.19.2 for RC build

Updated version to 2.19.1 for RC build

Fixed bug - 'wraplength == 0' mode wasn't working with previous change

Updated copyright for 2019

Fixed build with older SDL headers

Updated to version 2.0.13

Updated documentation names for RPM