Add implementations for methods getSize, getRectSize, and getCurrentSizeRange for ShadowDisplay
Use min/max for getCurrentSizeRange implementation
Fix issues around SQLite
* Fix the issue that SQLiteDatabase.openDatabase does not create new SQLite file.
* Fix the issue that SQLiteDatabase.getDatabase does not respect Context.getDatabasePath().
* Fix the issue that version is not set for database.
* Fix test cases accordingly.
Added test case for checking data persistency after closing db.
Added test case for checking if database is open after closing and opening again.
Merge pull request #654 from thorikawa/fix_sqlite_issues

Fix issues around SQLite
Merge pull request #655 from aweber/display_impl

Add implementations for methods getSize, getRectSize, and getCurrentSizeRange in ShadowDisplay
Measure content view with spec mode EXACTLY.
It's usual for a top view in our activity's hierarchy to expect being measured with spec mode EXACTLY.
To illustrate, DrawerLayout provided by Android support library requires to measured with this spec.
And it's common practice to make this layout be a top view with MATCH_PARENT value for layout width and height.
remove ActionBar usage
convenient test name
Merge pull request #658 from roman-mazur/fix/robowindow-measure

Measure content view with spec mode EXACTLY.