* Introduce AccountFolderListFragment and its layout
* Extract all list-related UI into it
* Fix leaking cursor in AccountsAdapter and add unit test
Change-Id: Ica566847d97927b736f515d434c6691c82343290
* Moved welcome message into account setup basics (name/pass)
* Reworked Welcome to go to AccountSetupBasics on count=0
* In AccountFolderList, removed old welcome message code, and add
code to launch AccountSetupBasics when last account is deleted
* Fixed shortcut picker so launcher shortcuts work again
* Reimplemented shortcut receiver (in MessageList now)
* Default EAS accounts to SSL
Addresses bug 1916583 & 1987440
* Move relevant sources & resources to new name
* Convert from ListView to ExpandableListView
* No children yet - selecting account simply jumps to FML (temp)
* No other change to functionality (e.g. no menu changes yet)