Remove extra print statement.
Add a temporary hack do account for the fact that not all arrivals have predicted arrival times.
Swat IndexError bug in Locator.locate_eq(). Update Phase.__str__() method.
Alter core_tools.Locator object constructor to receive the dictionary of configuration parameters returned by the new core_tools.parse_cfg() method.
Update configuration file parsing methodology.
Update processing methodology to only hold 1 event in memory at a time.
Remove unnecessary temp_core_tools.py file.
Fix event subsetting issue.
Add Earth radius to parameter file.
Add Earth radius to configuration file.
Working on predicted arrival times.
Write out some fields in the assoc and predarr tables.
Calculating predicted arrivals for ALL stations is functional, needs testing.
Merge pull request #4 from malcolmw/master

Mainly work on predicted arrival times.