fix instagram login issue

instagram has login problem when locale is not English.
so we provide method to add extra url

fix facebook login issue

0.2.9

- redirect mobile facebook web page for login in mobile well

handle back key in WebView

0.2.8

- handle back key

provide various options to launch instagram login

0.2.7

- provide various options to launch instagram login

fix bug to move instagram home after auth completed

0.2.6

- redirect to auth url if instagram home page is shown

add band api (GET band/v2/post)

• add GET API "band/v2/post"

0.2.4

- add instagram recent media query parameter

0.2.3

- add instagram next media retrieve api.

0.2.2

update dependency

0.2.1

fix instagram login dialog not display issue.