(1) add #define for {read,write,strncasecmp} -> {_read,_write,_strnicmp}
(2) fix a couple more variadic macros that didn't get fixed in the last commit
(3) use evutil_strtoll() instead of strtoll()
(1) added tr_getcwd(), a simple portability wrapper for getcwd()
(2) cli: show the help page if no command-line arguments are provided
(3) daemon: use tr_wait() intead of sleep()
(4) daemon: SIGQUIT, SIGPIPE, SIGHUP aren't defined on windows
(5) libtransmission: a couple of small cleanups to bencode.c, list.c, web.c
(6) libtransmission: win32 portability fixes to platform.c