Disable show saved password on update Credentials
Deleted Unused file DialogAlert.java
Disable show saved password on update Credentials[2/2]

In previous commit, If uses updates only username, it does not updates
it.This has been corrected in this commit.
Merge branch 'ashish' into release

Conflicts:
	app/src/main/java/org/developfreedom/logmein/ui/DialogAlert.java