Remove unused member hasFocus

Conflicts:
	src/net/alliknow/podcatcher/services/PlayEpisodeService.java
Update gpodder client user-agent string

Conflicts:
	release.checklist
Code review, update to Java 7, fix FindBugs results

Conflicts:
	include/gpodder/src/com/dragontek/mygpoclient/api/EpisodeAction.java
	src/net/alliknow/podcatcher/EpisodeListActivity.java
	src/net/alliknow/podcatcher/listeners/OnChangeEpisodeStateListener.java
	src/net/alliknow/podcatcher/model/EpisodeBaseManager.java
	src/net/alliknow/podcatcher/model/EpisodeDownloadManager.java
	src/net/alliknow/podcatcher/model/EpisodePlaylistManager.java
	src/net/alliknow/podcatcher/model/EpisodeStateManager.java
	src/net/alliknow/podcatcher/model/tasks/LoadDownloadsTask.java
	src/net/alliknow/podcatcher/model/tasks/LoadEpisodeMetadataTask.java
	src/net/alliknow/podcatcher/model/tasks/LoadPlaylistTask.java
	src/net/alliknow/podcatcher/services/PlayEpisodeService.java
	src/net/alliknow/podcatcher/view/fragments/EpisodeListFragment.java
	src/net/alliknow/podcatcher/view/fragments/SwipeReorderListViewTouchListener.java