added exception blocks for all metrics, will include logging for these errors next
more logging properties and exception handles for metrics
more logging.error and Exception handling for metrics, MetricData() needs to be completed
completed log4j properties, added filters and new exception blocks for all metrics
remove log4j 1.2.16 and replace with log4j 1.2.17
added return statements to metric exceptions, fixed ERROR appender in log4j.properties
added runseedscan.py for production cronjob (sets seedscan runtimes, dates, config entries, etc.)
added new logging paths/commands to runseedscan.py
Merge pull request #6 from asl-usgs/dev-branch

New logging for separate Log Levels