ADD: add BasicGuide.md
MOD: fix some error.
ADD: add ProGuide.md
FIX: fix demo project compiler error.
ADD: add .travis.yml
MOD: add travis ci status.
MOD: fix travis url error.
MOD: add badges from https://github.com/badges/cocoapod-badges
ADD: add BasicGuide_en.md
MOD: complete the translate in BasicGuide_en.md
ADD: add english version basic usage guide.
FIX: fix link error.
MOD: fix some error.
ADD: add author: veecci
Merge pull request #4 from yuantiku/master

update