Squashed 'lua-5.1.5/' changes from 5d7e8e9..f9e327d

f9e327d android spt
282536f mk
30c623e change make
d0e61e2 android proj
b2f6bd2 add  builds
f929548 构建工程
ec76404 add iOS prom
cde7a90 change dll
5e8c37b delete Examples
5a55d34 change name
57ba113 change name
635e761 构建mac plugin
6da2cb1 proj.mac
a0f1d3c proj
5c75a57 lua 5.1.5
REVERT: 5d7e8e9 增加英文
REVERT: 8909947 android spt
REVERT: 47bcedd mk
REVERT: c4af0c0 增加readme
REVERT: 2e666be android proj
REVERT: dead60c add  builds
REVERT: f3cb9f9 增加构建说明
REVERT: 04970fa 整理代码
REVERT: 1586f27 change dll
REVERT: c7efd58 delete Examples
REVERT: 6a0bf05 add example
REVERT: 3282c6b 整理代码
REVERT: 4ed8a9d 第一版

git-subtree-dir: lua-5.1.5
git-subtree-split: f9e327d249530633f62ce6a510fac16f73c9d248
Merge commit '6c70c2a2bde763afdac3011f2fe7ca13162ccc8a'