Removed used import
Fixed Lint warning for res/values/strings.xml
Fixed Lint warning for res/values/menu
Added content description to imageview of thumb_grid_item.xml
Fixed lint warnings for list_item.xml
Removed unused fragment_main layout
Removed unused drawable resources
Added lint ignore to player.xml
Added lint ignore to player_remote.xml
Added lint ignore to player_remote_control.xml
Merge pull request #17 from wtud/fixLintWarnings

Fix android lint warnings