Moved logging commands to a separate file.

Conflicts:
	src/command_local.cc
Use a generic function for logging and allow output groups to be appended.

log.open_file = "instrumentation_memory.log", "/foo/instrumentation_memory.log", "instrumentation_memory", ...
Added 'log.open_file_pid' and 'log.open_gz_file_pid' commands that appends the pid automatically.

Conflicts:
	src/command_local.cc
Minor changes for branch-0.9 tr1 usage.
Fixed cherry-picked patch tr1 usage.
bump to new version, remove libsigc++ dependency
move -lGeoIP to *_LDADD macro
Merge branch 'branch-0.9' of https://github.com/rakshasa/rtorrent into misc

Conflicts:
	src/core/download.cc
indent tracker status
Merge branch 'master' of https://github.com/rakshasa/rtorrent into misc

Conflicts:
	src/command_local.cc
	src/command_logging.cc
	src/command_network.cc
	src/command_peer.cc