No su request timeout

Conflicts:
	Superuser/src/com/koushikdutta/superuser/MultitaskSuRequestActivity.java

Change-Id: I1ef748ceabf428d572f2a9cb6712d5525e9985e2
Major refactor: switch to native fragments.

Change-Id: I8ad7c72f1b214aea3033e26725b02a4d155da58f