add search function in playlist view.
add search method in library view.
add git ignore.
add search shortcut 'Ctrl+F'
fix bug: search box can not escape.

Esc key to unfocus search box and focus main view.
fix bug: search_unfocus typo.
fix bug: on wxMac 2.9, search method does not work in library view.
fix bug: "Search" box is not translated.
Merge branch 'add-search' of github.com:meiraka/music_controller into add-search
Merge pull request #1 from meiraka/add-search

Add search
add config to playlist_style value.

update menubar style and window for playlist_style param.
add expand mode to playlist.AlbumList for albumview.

fix bug: frame albumview and albumlist are mixed.
draw albums as true tile mode.
support cursor key in albumview.
fix bug: bottom background of albumview does not drawed.
fix bug: albumview window size is less than albumview items.
fix bug: menubar playlist style radio menu is grouped in playlist/library view.
translate menubar radiomenu songlist/songalbumlist.
Merge pull request #2 from meiraka/add-albumview

Add albumview
library view sync with playlist.
rename library to listfilter module.