Remove create/delete SQL for code_analyzer: these are already
included in the general create_icat_instance.sql file.
Code analyzer uses more config.yaml, fewer tables of its own.
Removed two tables just used by the code analyzer, problem_name and
a parameters table with just one entry.  These values now come from
the config.yaml file.  Also, added the simulated cds backup I used
to test the analyzer and deleted old test code it replaces.
tar option to exclude vcs directories from backups.
Changing feed reading semantics to resemble a message loop
Exit with usage() when an invalid problem ID is given.
Merge branch 'master' of https://github.com/icpc-live/autoanalyst
Adding run_id to analystmsg records in the augmented stream. Also making the ordering more intuitive
Added support for number of lines changed in the source.  Also, fixed
a bug in how tar was run to unpack backup directories.
Adding HTTP streaming of augmented event feed
Merge https://github.com/icpc-live/autoanalyst
Eliminating compiler warnings
Making scoreboard update immediately
Added a file_size_bytes field to the edit_activity table.