simplify Set->List in ArrayIndexerAdapter
avoid NPE in SongsFragment
call simpler Artist constructor
remove useless line
fix unnecessary multiple requests for album year and path
Merge pull request #390 from hurzl/ext2

Small misc. fixes
Add classpath files for projects without.

Add classpath files for projects without them, this will
significantly cut down on eclipse initial import errors.
Merge pull request #392 from avuton/master

Add classpath files for projects without.
Update Intellij Configuration
- Take into account the new modules (PullToRefresh, SmoothProgressBar)
- Tested with Intellij  Community Edition 13.0.1
Fix #366 : [Wishlist] Allow Mpdroid to connect even if no network connection is detected
- Do not check if the device has internet connection, just try to connect.
If no network is available, the error connection popup displays a message like "Unreachable Network".
The error message appeared quickly during tests without network.
Fix #370 : Mpdroid 1.06 beta 8 Constant spinners in Artist Album view.

The cover progress bar is now invisible by default.
Fix cover fetching for Gracenote
Update Gracenote API Endpoint
Attempt to fix the max connection issue
- Do no connect MPD if it is already connected (may happen at app start when 2 views ask for a connection)
- Synchronize connect/disconnect in MPD
- Use only 3 connections (instead of 5) for commands
- Decrease the socket timeout on the status connection for it to be closed
  quicker