Echo log messages by default

There are a number of critical errors which cause the server to hang, which are only reported through syslog. Not specifying --le at the command line causes these to look like the server is actually working when it's in a failed state.
Build sample data importers as part of the core orly apps
Refactor Makefile slightly

- make STARSHA w/ flags more convenient
- make a single variable for "all main binaries"
Merge pull request #64 from cmaloney/misc_cleanup

Misc. cleanup
starsha: Text on STDERR doesn't mean we failed

Text on stderr indicating failure causes us to be very fragile to a
lot of things which keep being relatively insignifcant / not really
problems.

This changes the code to just use <base/subprocess.h> directly, which
gives us what we want more concisely than getting the behavior out of
TCorpus::Run.
Merge pull request #66 from cmaloney/misc_cleanup

starsha: Text on STDERR doesn't mean we failed