Fix various typos, switch URLs to https
Fix various typos, switch URLs to https

Also add a few missing words and make some minor rephrasings and clarifications
iipc/openwayback,SpiralsSeminaire/openwayback,iipc/openwayback,nlnwa/openwayback,nlnwa/openwayback,kris-sigur/openwayback,ukwa/openwayback,chasehd/openwayback,SpiralsSeminaire/openwayback,ukwa/openwayback,ukwa/openwayback,kris-sigur/openwayback,iipc/openwayback,MohammedElsayyed/openwayback,kris-sigur/openwayback,nlnwa/openwayback,MohammedElsayyed/openwayback,chasehd/openwayback,chasehd/openwayback,nlnwa/openwayback,MohammedElsayyed/openwayback,kris-sigur/openwayback,SpiralsSeminaire/openwayback,SpiralsSeminaire/openwayback,kris-sigur/openwayback,nlnwa/openwayback,SpiralsSeminaire/openwayback