Support redirects from https to http, fixes issue with bitbucket.org URLs.
Support redirects from https to http, fixes issue with bitbucket.org URLs.

leafo/luarocks,luarocks/luarocks,rrthomas/luarocks,xpol/luavm,rrthomas/luarocks,xpol/luavm,tarantool/luarocks,xpol/luarocks,xpol/luainstaller,tarantool/luarocks,rrthomas/luarocks,xiaq/luarocks,xpol/luarocks,luarocks/luarocks,starius/luarocks,starius/luarocks,xiaq/luarocks,lxbgit/luarocks,usstwxy/luarocks,robooo/luarocks,coderstudy/luarocks,aryajur/luarocks,robooo/luarocks,luarocks/luarocks,usstwxy/luarocks,leafo/luarocks,robooo/luarocks,aryajur/luarocks,starius/luarocks,ignacio/luarocks,lxbgit/luarocks,lxbgit/luarocks,xpol/luarocks,robooo/luarocks,ignacio/luarocks,coderstudy/luarocks,xiaq/luarocks,aryajur/luarocks,tst2005/luarocks,keplerproject/luarocks,starius/luarocks,xpol/luavm,coderstudy/luarocks,keplerproject/luarocks,xpol/luainstaller,tst2005/luarocks,leafo/luarocks,ignacio/luarocks,coderstudy/luarocks,tarantool/luarocks,usstwxy/luarocks,tst2005/luarocks,usstwxy/luarocks,xpol/luainstaller,xpol/luainstaller,lxbgit/luarocks,xpol/luavm,aryajur/luarocks,tst2005/luarocks,ignacio/luarocks,xpol/luavm,keplerproject/luarocks,keplerproject/luarocks,xiaq/luarocks,rrthomas/luarocks,xpol/luarocks