Merge branch 'feature-navigation' into devel

admin/moveclients.xsl

src/Makefile.am

src/admin.c

src/cfgfile.c

src/cfgfile.h

src/client.c

src/client.h

src/connection.c

src/icecasttypes.h

src/main.c

src/navigation.c

src/navigation.h

src/slave.c

src/source.c

src/source.h