redirect bugs/ to github issues, keep nginx roundup bug url redirection
redirect bugs/ to github issues, keep nginx roundup bug url redirection

Closes #1702

onceuponatimeforever/oh-mainline,vipul-sharma20/oh-mainline,openhatch/oh-mainline,ehashman/oh-mainline,onceuponatimeforever/oh-mainline,ehashman/oh-mainline,willingc/oh-mainline,vipul-sharma20/oh-mainline,waseem18/oh-mainline,onceuponatimeforever/oh-mainline,vipul-sharma20/oh-mainline,ehashman/oh-mainline,willingc/oh-mainline,ehashman/oh-mainline,willingc/oh-mainline,waseem18/oh-mainline,vipul-sharma20/oh-mainline,openhatch/oh-mainline,waseem18/oh-mainline,willingc/oh-mainline,willingc/oh-mainline,openhatch/oh-mainline,waseem18/oh-mainline,onceuponatimeforever/oh-mainline,openhatch/oh-mainline,waseem18/oh-mainline,ehashman/oh-mainline,onceuponatimeforever/oh-mainline,vipul-sharma20/oh-mainline,openhatch/oh-mainline