Bumped version to 2.2alpha63
@branch-specific
Format source code according to AnkiDroid conventions.

- Third-party packages were ignored.
- The com.ichi2.libanki package was ignored (but not the sub-packages).
- Some sections were spared an auto-format when it was clear the layout was intended by the author.
Remove more unused imports.
Merge pull request #337 from hssm/code-formatting

Code formatting
Autoformat XML files.
Merge pull request #338 from hssm/code-formatting

Autoformat XML files.
Bumped version to 2.2alpha64
@branch-specific
Change current deck on drop-down deck change.
Remove hidden link to statistics from congrats screen.
Merge pull request #340 from agrueneberg/remove-hidden-link-to-statistics-from-congrats-screen

Remove hidden link to statistics from congrats screen
replace "eInkDisplay" and "forceQuickUpdate" preferences with a single "safeDisplay" preference
Merge pull request #342 from timrae/removeQuickUpdatePreference

replace "eInkDisplay" and "forceQuickUpdate" with a single preference
Bumped version to 2.2alpha65
@branch-specific
Improvements to the write answer feature:
* Hide the "......" prompt when write answer is off
* Show only the correct answer when nothing is typed, including in the write answer off case
* Show the correct answer normally instead of marked green when write answer is off.
* Add class typeOff when write answer is off, to allow hiding the correct answer via CSS.
Playing sound files specified by absolute URI was implemented.
Fix for issue 2073.  Get rid of the swap button and swapText() function.
rearrange order of preferences
Prepare error report when null encountered in queryColumn
Make descriptions of preferences more concise
Scroll the deck list to the currently selected deck and center it

On tablets, the currently selected deck is highlighted in the deck list. If there are many decks, then the selected deck may not be initially visible. This change will scroll the decklist to ensure AnkiDroid always opens up on tablets with the currently selected deck visible.