Lua: Lua => Lua51

See [this](https://github.com/Homebrew/homebrew/pull/29236) PR for more
details. This is step 1 described in
[this](https://github.com/Homebrew/homebrew/pull/29236#issuecomment-5397
1789) comment.
Lua => Lua51

Fixes the test calling Lua without the version stopper.
Lua => Lua51

Cleans it up a bit.
lighttpd: update 1.4.35_1 bottle.
lua51: update 5.1.5 bottle.
luarocks: add 2.1.2_1 bottle.
macvim: add 7.4-73_1 bottle.
metalua: add 0.5-rc2_1 bottle.
pdnsrec: add 3.6.0_1 bottle.
radare2: add 0.9.7_1 bottle.
rrdtool: add 1.4.8_1 bottle.
tracebox: update 0.2_1 bottle.
uwsgi: update 2.0.6_1 bottle.
vim: add 7.4.335_1 bottle.
weechat: update 1.0_1 bottle.
wireshark: update 1.12.0_1 bottle.