Fix #24: correct pattern in distel:src_args/3
introduce erl-rebuild-call-graph (bound to C-c C-d W)
work around mac ".local" hostname suffix
remove whitespace
Merge pull request #25 from leoliu/master

Fix #24: correct pattern in distel:src_args/3
bug fix from leoliu
rename "call_graph" and "call-graph" -> "callgraph".