android sdk upgraded to latest release
modified for the following:
- solving attachment bug
- to configure mobihelp autoreply and rate popup from app itself
fixed intendation issue
intendation fixed
Merged in upgrade-to-v1.2-android (pull request #3)

android sdk upgraded to latest release
iOS version 1.2.1

+ Minor android fixes
+ Updated readme
Fix indentation
Android v 1.2.1
Merged in ios_v1.2.1 (pull request #4)

iOS version update 1.2.1
Merged in android_v1.2.1 (pull request #5)

Android v 1.2.1