mProviderId was being overridden for "existing" accounts
this is only needed for "new" accounts - fixed account setup.
delivery check needs color to show up in dark theme
added new "create account" to strings
use sp text size for messages instead of defaults
setting back to Android-18 API for now
Merge pull request #384 from n8fr8/bugs_v13_account_setup

Bugs v13 account setup