synergy.cpp and server.cpp into cmd/synergyd as synergyd.cpp.
Moved and renamed related files. Moved remaining source files
into lib/.... Modified and added makefiles as appropriate.
Result is that library files are under lib with each library
in its own directory and program files are under cmd with each
command in its own directory.
all use format() the same way. also changed format() to actually
do formatting. however, it doesn't try looking up formatting
strings by id, it just uses the fallback format string.
crs