Correct issue with setting screen rotate after refresh.

Set to a non default value.
Fixes #291 and #290
Added potential fix for #167 to notify data set changed when you switch accounts.
update version to beta 4 & set versioncode the same as core app.

Keeping these in sync will help change log
Fix for #288 remember new tweet count on reload
Merge pull request #292 from BlythMeister/MyBetaVersion

Fixes for Beta 4