CLI tool to add/list/remove songs + refactoring library
added libraries files to gitignore
fixed gitignore
Merge branch 'master' of github.com:Graf-Nostro/SWAzam

* 'master' of github.com:Graf-Nostro/SWAzam:
  Getting available Peer from server
  changed peertoclient
  Refactoring client

Conflicts:
	SWAzamPeer/src/main/tuwien/ac/at/swazam/peer/rest/ClientToPeerREST.java