Added animation files;
Added animation in lyrics search params;
Lyrics search params functionality improved.
Created InfiniteListActivity.java;
Lyrics strophes inserted into LyricsViewerActivity.
Committed beyond "lyrics-information".

Started implementation of music strophes sharing;
Moved useful items to Android Utils project;
Fixed artists search list, making query on application's own API, instead of directly on Discogs.
Merge pull request #1 from Danguilherme/lyrics-information

Lyrics information added