add google analytics and fixed trigger hash event initially.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
Merge pull request #5 from PHPConf-TW/feature/google_analytics

add google analytics and fixed trigger hash event initially. fixed #4
update text

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
regen for 603e587