Removed white space
Implemented back buffer
Preference to change update delay of editor
Preference to set editor text size
Removed targetSdkVersion to show Menu button

On tablets sporting Android >= 3.0 there is often no physical menu button
but a soft one which does only appear if you don't give the targetSdkVersion
option.
Made error text more visible
Removed invalidate() after text size change
Note about resetting soft keyboards
Version update