Add opencsv 2.3.
Support more efficient bulk inserting.
Add some fields to shops contract.
Add new shops columns to database.
Create intial csv importer.
Add importer activity, supports shop imports already.
Add import action.
Restrict imports to files (no pics, music, etc.).
Add some log messages.
Move importing to background task.
Get input stream already on main thread.
Import start message.
Add more columns to item contract.
Add more item columns to database.
Increase db version.
Add item import, dump first line.
Protect at least by column count.
Better output on import errors.
Merge branch 'csv-importer'