Remove fragments (place elements directly to activity)
Reorganise activities into separate package
Declare SQLite database schema
Declare test on storage
Add dummy populate() method to test SQL db creation.
SQL storage fixes
Implement BaseActivity.

* Implement BaseActivity class from which other user activities should be
derived (in order to have same options menu).
* Implement resetDatabase() method for restoring (or initial populating)
* database to default hardcoded state.
Remove temporary test-code
Append existing default database
Inherit user activities from BaseActivity.

Inherit all activities from here implemented BaseActivity. This is needed
for common menu for all activities.
Add code for initializing default database
Fix SQL query
Add onClick listener to button
Integrate SQL into grammar activity.

Get data for output from SQL database.
Move database handling to ShowEntry activity
Use data from SQL db in all activities (instead of hardcoded)
Merge branch 'less-retarded-impl'